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<!doctype html><html lang="zh-CN"><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>到达窗口 · 设计评审</title><style>body{max-width:920px;margin:24px auto;padding:0 18px;background:#f7f5fb;color:#303047;font:15px/1.7 system-ui,'Microsoft YaHei'}article{background:white;border:1px solid #ddd5ed;border-radius:16px;padding:20px;margin:20px 0;break-inside:avoid}.boards{display:flex;gap:24px;flex-wrap:wrap}figure{margin:0;width:380px;max-width:100%}svg{max-height:450px;width:100%}details{cursor:pointer}a{color:#6552aa}@media print{body{background:white}article{border:none;page-break-after:always}} </style><a href="play.html">进入试玩</a><h1>到达窗口 · 8关设计评审</h1><p>每格一次。写着 a–b 的格必须在第 a 到第 b 步之间到达,包含两个边界。</p><p>原始盘面和作者解分开展示。标题是设计任务,真人推理路径与难度仍需试玩验证。数字、窗口、方向、类别和开关显示在格内;步差与先后关系见逐关推理依据。</p><article><h2>01 · 入门 · 认识允许范围</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 266.66666666666663" role="img" aria-label="认识允许范围"><polygon 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360,246.66666666666666 246.66666666666666,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><text x="76.66666666666666" y="68.66666666666666" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="76.66666666666666" y="86.66666666666666" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c0</text><text x="190" y="68.66666666666666" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="190" y="86.66666666666666" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="303.3333333333333" y="68.66666666666666" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="303.3333333333333" y="86.66666666666666" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="76.66666666666666" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="76.66666666666666" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="190" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2–4</text><text x="190" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="303.3333333333333" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">4</text><text x="303.3333333333333" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 266.66666666666663" role="img" aria-label="认识允许范围"><polygon points="20,20 133.33333333333331,20 133.33333333333331,133.33333333333331 20,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="133.33333333333331,20 246.66666666666666,20 246.66666666666666,133.33333333333331 133.33333333333331,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="246.66666666666666,20 360,20 360,133.33333333333331 246.66666666666666,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,133.33333333333331 133.33333333333331,133.33333333333331 133.33333333333331,246.66666666666666 20,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="133.33333333333331,133.33333333333331 246.66666666666666,133.33333333333331 246.66666666666666,246.66666666666666 133.33333333333331,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="246.66666666666666,133.33333333333331 360,133.33333333333331 360,246.66666666666666 246.66666666666666,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" 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text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="76.66666666666666" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2</text><text x="76.66666666666666" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="190" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3</text><text x="190" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4 · 2–4</text><text x="303.3333333333333" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">4</text><text x="303.3333333333333" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text></svg></figure><p>c0 → c3 → c4 → c5 → c2 → c1</p></details></div><h3>推理依据</h3><ul><li>c4 窗口 2–4,作者第 3 步到达</li></ul><p>关键分叉:第 2 步应走 c3,诱惑路线走 c1。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c0 → c1 → c2 → c5 → c4 → c3</p></details></article><article><h2>02 · 入门 · 排除过早到达</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 380" role="img" aria-label="排除过早到达"><polygon points="20,20 133.33333333333331,20 133.33333333333331,133.33333333333331 20,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="133.33333333333331,20 246.66666666666666,20 246.66666666666666,133.33333333333331 133.33333333333331,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="246.66666666666666,20 360,20 360,133.33333333333331 246.66666666666666,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,133.33333333333331 133.33333333333331,133.33333333333331 133.33333333333331,246.66666666666666 20,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon 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font-size="10" fill="#665c78">c0</text><text x="190" y="68.66666666666666" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="190" y="86.66666666666666" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="303.3333333333333" y="68.66666666666666" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="303.3333333333333" y="86.66666666666666" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="76.66666666666666" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">6–8</text><text x="76.66666666666666" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="190" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="190" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="303.3333333333333" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="303.3333333333333" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="76.66666666666666" y="295.3333333333333" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="76.66666666666666" y="313.3333333333333" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="190" y="295.3333333333333" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="190" y="313.3333333333333" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 380" role="img" aria-label="排除过早到达"><polygon points="20,20 133.33333333333331,20 133.33333333333331,133.33333333333331 20,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="133.33333333333331,20 246.66666666666666,20 246.66666666666666,133.33333333333331 133.33333333333331,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="246.66666666666666,20 360,20 360,133.33333333333331 246.66666666666666,133.33333333333331" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,133.33333333333331 133.33333333333331,133.33333333333331 133.33333333333331,246.66666666666666 20,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="133.33333333333331,133.33333333333331 246.66666666666666,133.33333333333331 246.66666666666666,246.66666666666666 133.33333333333331,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="246.66666666666666,133.33333333333331 360,133.33333333333331 360,246.66666666666666 246.66666666666666,246.66666666666666" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,246.66666666666666 133.33333333333331,246.66666666666666 133.33333333333331,360 20,360" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="133.33333333333331,246.66666666666666 246.66666666666666,246.66666666666666 246.66666666666666,360 133.33333333333331,360" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polyline points="190,76.66666666666666 303.3333333333333,76.66666666666666 303.3333333333333,190 190,190 190,303.3333333333333 76.66666666666666,303.3333333333333 76.66666666666666,190 76.66666666666666,76.66666666666666" fill="none" stroke="#7963c9" stroke-width="5" opacity=".4"/><text x="76.66666666666666" y="68.66666666666666" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text 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font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">4</text><text x="190" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="303.3333333333333" y="182" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3</text><text x="303.3333333333333" y="200" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="76.66666666666666" y="295.3333333333333" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">6</text><text x="76.66666666666666" y="313.3333333333333" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="190" y="295.3333333333333" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5</text><text x="190" y="313.3333333333333" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text></svg></figure><p>c1 → c2 → c5 → c4 → c7 → c6 → c3 → c0</p></details></div><h3>推理依据</h3><ul><li>c3 窗口 6–8,作者第 7 步到达</li></ul><p>关键分叉:第 2 步应走 c2,诱惑路线走 c0。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c1 → c0 → c3 → c6 → c7 → c4 → c5 → c2</p></details></article><article><h2>03 · 普通 · 窗口迫使先绕行</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 295" role="img" aria-label="窗口迫使先绕行"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 105,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,20 275,20 275,105 190,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,20 360,20 360,105 275,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,105 105,105 105,190 20,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,105 190,105 190,190 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font-weight="700"></text><text x="232.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="317.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="147.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2</text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 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stroke="#aaa1c7" stroke-width="2"/><polyline points="232.5,232.5 147.5,232.5 147.5,147.5 232.5,147.5 317.5,147.5 317.5,62.5 232.5,62.5 147.5,62.5 62.5,62.5 62.5,147.5" fill="none" stroke="#7963c9" stroke-width="5" opacity=".4"/><text x="62.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9</text><text x="62.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c0 · 6–10</text><text x="147.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text x="147.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="232.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">7</text><text x="232.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="317.5" y="54.5" text-anchor="middle" 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font-size="21" font-weight="700">5</text><text x="317.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="147.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2</text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text></svg></figure><p>c9 → c8 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4</p></details></div><h3>推理依据</h3><ul><li>c0 窗口 6–10,作者第 9 步到达</li></ul><p>关键分叉:第 4 步应走 c6,诱惑路线走 c4。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c9 → c8 → c5 → c4 → c0 → c1 → c2 → c3 → c7 → c6</p></details></article><article><h2>04 · 普通 · 两个窗口限制早到与晚到</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 295" role="img" aria-label="两个窗口限制早到与晚到"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 105,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,20 275,20 275,105 190,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,20 360,20 360,105 275,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,105 105,105 105,190 20,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,105 190,105 190,190 105,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,105 275,105 275,190 190,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,105 360,105 360,190 275,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,190 105,190 105,275 20,275" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,190 190,190 190,275 105,275" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,190 275,190 275,275 190,275" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,190 360,190 360,275 275,275" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><text x="62.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="62.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c0</text><text x="147.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="232.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="232.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="317.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="62.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="62.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="147.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="232.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="232.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="317.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9–12</text><text x="317.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="62.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="62.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="147.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3–5</text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="317.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 295" role="img" aria-label="两个窗口限制早到与晚到"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 105,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,20 275,20 275,105 190,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,20 360,20 360,105 275,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,105 105,105 105,190 20,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,105 190,105 190,190 105,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon 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font-size="10" fill="#665c78">c0</text><text x="147.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">7</text><text x="147.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="232.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text x="232.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="317.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9</text><text x="317.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="62.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5</text><text x="62.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="147.5" 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font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3</text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9 · 3–5</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">12</text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="317.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">11</text><text x="317.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text></svg></figure><p>c6 → c5 → c9 → c8 → c4 → c0 → c1 → c2 → c3 → c7 → c11 → c10</p></details></div><h3>推理依据</h3><ul><li>c7 窗口 9–12,作者第 10 步到达</li><li>c9 窗口 3–5,作者第 3 步到达</li></ul><p>关键分叉:第 3 步应走 c9,诱惑路线走 c4。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c6 → c5 → c4 → c8 → c9 → c10 → c11 → c7 → c3 → c2 → c1 → c0</p><p>解除 window:1 后:c6 → c5 → c1 → c0 → c4 → c8 → c9 → c10 → c11 → c7 → c3 → c2</p></details></article><article><h2>05 · 进阶 · 宽窗口与跨区顺序联动</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 380" role="img" aria-label="宽窗口与跨区顺序联动"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 105,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,20 275,20 275,105 190,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,20 360,20 360,105 275,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,105 105,105 105,190 20,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,105 190,105 190,190 105,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,105 275,105 275,190 190,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,105 360,105 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font-size="10" fill="#665c78">c9</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="317.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text><text x="147.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c12</text><text x="232.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="232.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c13</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 380" role="img" aria-label="宽窗口与跨区顺序联动"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 105,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,20 275,20 275,105 190,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,20 360,20 360,105 275,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,105 105,105 105,190 20,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,105 190,105 190,190 105,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,105 275,105 275,190 190,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,105 360,105 360,190 275,190" fill="#f1eef9" stroke="#aaa1c7" 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y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c0</text><text x="147.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">13</text><text x="147.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="232.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">12</text><text x="232.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="317.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">11</text><text x="317.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="62.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5</text><text x="62.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4 · 4–8</text><text x="147.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">6</text><text x="147.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="232.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">7</text><text x="232.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6 · 3–7</text><text x="317.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">10</text><text x="317.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="62.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">4</text><text x="62.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="147.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3</text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="317.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9</text><text x="317.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text><text x="147.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2</text><text x="147.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c12</text><text x="232.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="232.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c13</text></svg></figure><p>c13 → c12 → c9 → c8 → c4 → c5 → c6 → c10 → c11 → c7 → c3 → c2 → c1 → c0</p></details></div><h3>推理依据</h3><ul><li>c4 窗口 4–8,作者第 5 步到达</li><li>c6 窗口 3–7,作者第 7 步到达</li></ul><p>关键分叉:第 4 步应走 c8,诱惑路线走 c5。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c13 → c12 → c9 → c5 → c6 → c10 → c11 → c7 → c3 → c2 → c1 → c0 → c4 → c8</p><p>解除 window:1 后:c13 → c12 → c9 → c8 → c4 → c0 → c1 → c5 → c6 → c2 → c3 → c7 → c11 → c10</p></details></article><article><h2>06 · 进阶 · 重叠窗口决定访问次序</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 380" role="img" aria-label="重叠窗口决定访问次序"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 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fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,275 105,275 105,360 20,360" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,275 190,275 190,360 105,360" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,275 275,275 275,360 190,360" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,275 360,275 360,360 275,360" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><text x="62.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="62.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c0</text><text x="147.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="232.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">10–12</text><text x="232.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="317.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="62.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="62.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="147.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="232.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="232.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="317.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5–9</text><text x="317.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="62.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="62.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="147.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="317.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text><text x="62.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="62.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c12</text><text x="147.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="147.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c13</text><text x="232.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="232.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c14</text><text x="317.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="317.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c15</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 380 380" role="img" aria-label="重叠窗口决定访问次序"><polygon points="20,20 105,20 105,105 20,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,20 190,20 190,105 105,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="190,20 275,20 275,105 190,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="275,20 360,20 360,105 275,105" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="20,105 105,105 105,190 20,190" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="105,105 190,105 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font-size="10" fill="#665c78">c2 · 10–12</text><text x="317.5" y="54.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9</text><text x="317.5" y="72.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="62.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="62.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="147.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">14</text><text x="147.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="232.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">11</text><text x="232.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="317.5" y="139.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text x="317.5" y="157.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7 · 5–9</text><text x="62.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2</text><text x="62.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="147.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">13</text><text x="147.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text><text x="232.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">12</text><text x="232.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="317.5" y="224.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">7</text><text x="317.5" y="242.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text><text x="62.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3</text><text x="62.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c12</text><text x="147.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">4</text><text x="147.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c13</text><text x="232.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5</text><text x="232.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c14</text><text x="317.5" y="309.5" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">6</text><text x="317.5" y="327.5" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c15</text></svg></figure><p>c4 → c8 → c12 → c13 → c14 → c15 → c11 → c7 → c3 → c2 → c6 → c10 → c9 → c5 → c1 → c0</p></details></div><h3>推理依据</h3><ul><li>c7 窗口 5–9,作者第 8 步到达</li><li>c2 窗口 10–12,作者第 10 步到达</li></ul><p>关键分叉:第 2 步应走 c8,诱惑路线走 c0。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c4 → c0 → c1 → c5 → c9 → c8 → c12 → c13 → c14 → c10 → c6 → c2 → c3 → c7 → c11 → c15</p><p>解除 window:1 后:c4 → c0 → c1 → c2 → c3 → c7 → c6 → c5 → c9 → c8 → c12 → c13 → c14 → c10 → c11 → c15</p></details></article><article><h2>07 · 难 · 三个窗口分配路线区间</h2><div class="boards"><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 368 450" role="img" aria-label="三个窗口分配路线区间"><polygon points="20,20 102,20 102,102 20,102" fill="#f1eef9" stroke="#aaa1c7" stroke-width="2"/><polygon points="102,20 184,20 184,102 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x="143" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="225" y="53" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3–5</text><text x="225" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2</text><text x="307" y="53" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="307" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="61" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="61" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="143" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5–8</text><text x="143" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5</text><text x="225" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="225" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="307" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="307" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="61" y="217" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="61" y="235" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="143" y="217" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="143" y="235" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text><text x="225" y="217" text-anchor="middle" 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font-weight="700"></text><text x="225" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c14</text><text x="307" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="307" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c15</text><text x="143" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="143" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c16</text><text x="225" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700"></text><text x="225" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c17</text></svg><figcaption>原始盘面 · 格id用于对照JSON</figcaption></figure><details><summary>展开作者解与路线</summary><figure><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 368 450" role="img" 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stroke-width="5" opacity=".4"/><text x="61" y="53" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">17</text><text x="61" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c0</text><text x="143" y="53" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">18</text><text x="143" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c1</text><text x="225" y="53" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5</text><text x="225" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c2 · 3–5</text><text x="307" y="53" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">4</text><text x="307" y="71" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c3</text><text x="61" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">16</text><text x="61" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c4</text><text x="143" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">7</text><text x="143" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c5 · 5–8</text><text x="225" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">6</text><text x="225" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c6</text><text x="307" y="135" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">3</text><text x="307" y="153" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c7</text><text x="61" y="217" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">15</text><text x="61" y="235" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c8</text><text x="143" y="217" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text x="143" y="235" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c9</text><text x="225" y="217" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9</text><text x="225" y="235" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c10</text><text x="307" y="217" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">2</text><text x="307" y="235" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c11</text><text x="61" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">14</text><text x="61" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c12 · 14–17</text><text x="143" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">13</text><text x="143" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c13</text><text x="225" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">10</text><text x="225" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c14</text><text x="307" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">1</text><text x="307" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c15</text><text x="143" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">12</text><text x="143" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c16</text><text x="225" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">11</text><text x="225" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c17</text></svg></figure><p>c15 → c11 → c7 → c3 → c2 → c6 → c5 → c9 → c10 → c14 → c17 → c16 → c13 → c12 → c8 → c4 → c0 → c1</p></details></div><h3>推理依据</h3><ul><li>c2 窗口 3–5,作者第 5 步到达</li><li>c12 窗口 14–17,作者第 14 步到达</li><li>c5 窗口 5–8,作者第 7 步到达</li></ul><p>关键分叉:第 3 步应走 c7,诱惑路线走 c10。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c15 → c11 → c10 → c9 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4 → c8 → c12 → c13 → c14 → c17 → c16</p><p>解除 window:1 后:c15 → c11 → c7 → c3 → c2 → c6 → c5 → c1 → c0 → c4 → c8 → c12 → c13 → c9 → c10 → c14 → c17 → c16</p><p>解除 window:2 后:c15 → c11 → c7 → c3 → c2 → c1 → c0 → c4 → c5 → c6 → c10 → c9 → c8 → c12 → c13 → c14 → c17 → c16</p></details></article><article><h2>08 · 难 · 无固定起点,由窗口确定路线</h2><div 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x="225" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">6</text><text x="225" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c14</text><text x="307" y="299" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">5</text><text x="307" y="317" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c15 · 3–7</text><text x="61" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">9</text><text x="61" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c16 · 6–9</text><text x="143" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">8</text><text x="143" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c17</text><text x="225" y="381" text-anchor="middle" font-family="system-ui,Microsoft YaHei" font-size="21" font-weight="700">7</text><text x="225" y="399" text-anchor="middle" font-family="system-ui" font-size="10" fill="#665c78">c18</text></svg></figure><p>c2 → c3 → c7 → c11 → c15 → c14 → c18 → c17 → c16 → c12 → c13 → c9 → c10 → c6 → c5 → c1 → c0 → c4 → c8</p></details></div><h3>推理依据</h3><ul><li>c15 窗口 3–7,作者第 5 步到达</li><li>c16 窗口 6–9,作者第 9 步到达</li><li>c5 窗口 13–15,作者第 15 步到达</li></ul><p>关键分叉:第 1 步应走 c2,诱惑路线走 c7。排除依据:到达窗口不符。</p><details><summary>逐项机制必要性反例</summary><p>解除 window:0 后:c7 → c3 → c2 → c1 → c0 → c4 → c8 → c12 → c16 → c17 → c13 → c9 → c5 → c6 → c10 → c11 → c15 → c14 → c18</p><p>解除 window:1 后:c0 → c1 → c2 → c3 → c7 → c11 → c15 → c14 → c18 → c17 → c13 → c9 → c10 → c6 → c5 → c4 → c8 → c12 → c16</p><p>解除 window:2 后:c2 → c3 → c7 → c11 → c15 → c14 → c18 → c17 → c16 → c12 → c13 → c9 → c8 → c4 → c0 → c1 → c5 → c6 → c10</p></details></article></html> |