1 · 覆盖、大格与墙 · 第一笔
展开作者解与路线
c4 → c3 → c0 → c1 → c2
推理依据
关键分叉：第 0 步应走 c4，诱惑路线走 数字不符的候选路线。排除依据：基础数字约束。
每格一次；数字为访问步号，各关显示当前启用规则。
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。
c4 → c3 → c0 → c1 → c2
关键分叉：第 0 步应走 c4，诱惑路线走 数字不符的候选路线。排除依据：基础数字约束。
c1 → c2 → c5 → c4 → c7 → c6 → c3 → c0
关键分叉：第 0 步应走 c1，诱惑路线走 数字不符的候选路线。排除依据：基础数字约束。
c3 → c0 → c1 → c2 → c4 → c7 → c6 → c5
关键分叉：第 0 步应走 c3，诱惑路线走 数字不符的候选路线。排除依据：基础数字约束。
c3 → c6 → c2 → c1 → c0 → c4 → c5 → c8 → c7 → c9
关键分叉：第 0 步应走 c3，诱惑路线走 数字不符的候选路线。排除依据：基础数字约束。
c10 → c6 → c3 → c0 → c1 → c2 → c5 → c9 → c8 → c7 → c4
关键分叉：第 0 步应走 c10，诱惑路线走 数字不符的候选路线。排除依据：基础数字约束。
c6 → c7 → c8 → c5 → c4 → c3 → c0 → c1 → c2
关键分叉：第 2 步应走 c7，诱惑路线走 c3。排除依据：永久墙不能穿过。
解除 wall:0 后：c6 → c3 → c4 → c7 → c8 → c5 → c2 → c1 → c0
c0 → c3 → c4 → c1 → c2 → c5 → c8 → c7 → c6 → c9 → c10
关键分叉：第 9 步应走 c6，诱惑路线走 c10。排除依据：永久墙不能穿过。
解除 wall:0 后：c0 → c3 → c4 → c1 → c2 → c5 → c8 → c7 → c10 → c9 → c6
c12 → c11 → c10 → c9 → c7 → c5 → c4 → c0 → c1 → c2 → c3 → c6 → c8
关键分叉：第 6 步应走 c5，诱惑路线走 c4。排除依据：永久墙不能穿过。
解除 wall:0 后：c12 → c11 → c10 → c9 → c7 → c4 → c0 → c1 → c5 → c2 → c3 → c6 → c8
解除 wall:1 后：c12 → c11 → c5 → c10 → c9 → c7 → c4 → c0 → c1 → c2 → c3 → c6 → c8
c8 → c7 → c6 → c3 → c0 → c1 → c2 → c5 → c4
关键分叉：第 7 步应走 c2，诱惑路线走 c4。排除依据：永久墙不能穿过。
解除 wall:0 后：c8 → c7 → c6 → c3 → c0 → c1 → c4 → c5 → c2
c8 → c2 → c7 → c11 → c10 → c6 → c4 → c1 → c0 → c3 → c5 → c9
关键分叉：第 2 步应走 c2，诱惑路线走 c7。排除依据：永久墙不能穿过。
解除 wall:0 后：c8 → c7 → c2 → c1 → c0 → c3 → c4 → c6 → c5 → c9 → c10 → c11
t0 → t1 → t2 → t5 → t4 → t3
关键分叉：第 2 步应走 t1，诱惑路线走 t3。排除依据：进出方向不符。
解除 direction:t1 后：t0 → t3 → t4 → t1 → t2 → t5
t0 → t3 → t4 → t1 → t2 → t5
关键分叉：第 4 步应走 t1，诱惑路线走 t5。排除依据：进出方向不符。
解除 direction:t4 后：t0 → t3 → t4 → t5 → t2 → t1
c0 → c1 → c2 → c5 → c8 → c7 → c6 → c3 → c4
关键分叉：第 7 步应走 c6，诱惑路线走 c4。排除依据：进出方向不符。
解除 direction:c7 后：c0 → c1 → c2 → c5 → c8 → c7 → c4 → c3 → c6
c9 → c6 → c3 → c0 → c1 → c4 → c7 → c8 → c5 → c2
关键分叉：第 6 步应走 c4，诱惑路线走 c2。排除依据：进出方向不符。
解除 direction:c4 后：c9 → c6 → c3 → c0 → c1 → c2 → c5 → c4 → c7 → c8
c4 → c7 → c10 → c9 → c6 → c3 → c0 → c1 → c2 → c5 → c8
关键分叉：第 2 步应走 c7，诱惑路线走 c1。排除依据：进出方向不符。
解除 direction:c2 后：c4 → c1 → c0 → c3 → c6 → c9 → c10 → c7 → c8 → c5 → c2
c12 → c8 → c9 → c5 → c6 → c10 → c11 → c7 → c3 → c2 → c1 → c0 → c4
关键分叉：第 5 步应走 c6，诱惑路线走 c4。排除依据：进出方向不符。
解除 direction:c6 后：c12 → c8 → c9 → c5 → c4 → c0 → c1 → c2 → c3 → c7 → c6 → c10 → c11
解除 direction:c10 后：c12 → c8 → c9 → c10 → c6 → c5 → c4 → c0 → c1 → c2 → c3 → c7 → c11
解除 wall:0 后：c12 → c8 → c4 → c0 → c1 → c2 → c3 → c7 → c11 → c10 → c6 → c5 → c9
c11 → c7 → c3 → c2 → c1 → c0 → c4 → c5 → c6 → c10 → c9 → c13 → c12 → c8
关键分叉：第 2 步应走 c7，诱惑路线走 c10。排除依据：进出方向不符。
解除 direction:c0 后：c11 → c10 → c9 → c13 → c12 → c8 → c4 → c5 → c6 → c7 → c3 → c2 → c1 → c0
解除 direction:c5 后：c11 → c7 → c3 → c2 → c1 → c0 → c4 → c8 → c12 → c13 → c9 → c5 → c6 → c10
解除 wall:0 后：c11 → c7 → c3 → c2 → c1 → c0 → c4 → c5 → c6 → c10 → c9 → c8 → c12 → c13
t0 → t1 → t2
关键分叉：第 2 步应走 t1，诱惑路线走 t2。排除依据：蓝橙颜色必须交替。
解除 alternation 后：t0 → t2 → t1
c6 → c3 → c0 → c1 → c2 → c5 → c4 → c7 → c8
关键分叉：第 2 步应走 c3，诱惑路线走 c8。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c6 → c8 → c7 → c5 → c2 → c1 → c0 → c3 → c4
c8 → c5 → c6 → c3 → c2 → c1 → c0 → c4 → c7 → c9 → c10 → c11
关键分叉：第 2 步应走 c5，诱惑路线走 c6。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c8 → c6 → c3 → c2 → c1 → c0 → c4 → c7 → c9 → c10 → c5 → c11
c14 → c13 → c12 → c8 → c9 → c6 → c5 → c0 → c3 → c10 → c11 → c7 → c4 → c2 → c1
关键分叉：第 10 步应走 c10，诱惑路线走 c1。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c14 → c13 → c12 → c8 → c9 → c6 → c5 → c0 → c3 → c1 → c2 → c4 → c7 → c11 → c10
解除 wall:0 后：c14 → c13 → c12 → c8 → c5 → c6 → c9 → c10 → c3 → c0 → c1 → c2 → c4 → c7 → c11
解除 wall:1 后：c14 → c10 → c11 → c7 → c4 → c2 → c1 → c0 → c3 → c6 → c5 → c8 → c9 → c13 → c12
c9 → c7 → c4 → c0 → c1 → c5 → c2 → c3 → c6 → c8
关键分叉：第 6 步应走 c5，诱惑路线走 c2。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c9 → c7 → c4 → c0 → c1 → c2 → c3 → c6 → c5 → c8
c12 → c10 → c7 → c3 → c2 → c6 → c5 → c1 → c0 → c4 → c8 → c9 → c11
关键分叉：第 6 步应走 c6，诱惑路线走 c1。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c12 → c10 → c7 → c3 → c2 → c1 → c0 → c4 → c5 → c6 → c9 → c8 → c11
c9 → c5 → c0 → c6 → c7 → c3 → c1 → c2 → c4 → c8
关键分叉：第 3 步应走 c0，诱惑路线走 c6。排除依据：该格步号奇偶不符。
解除 parity:c6 后：c9 → c5 → c6 → c0 → c1 → c3 → c7 → c8 → c4 → c2
c3 → c6 → c11 → c10 → c9 → c7 → c8 → c5 → c4 → c0 → c1 → c2
关键分叉：第 3 步应走 c11，诱惑路线走 c2。排除依据：该格步号奇偶不符。
解除 parity:c1 后：c3 → c6 → c2 → c1 → c0 → c4 → c5 → c8 → c7 → c9 → c10 → c11
c9 → c5 → c1 → c2 → c3 → c7 → c6 → c10 → c12 → c11 → c8 → c4 → c0
关键分叉：第 2 步应走 c5，诱惑路线走 c8。排除依据：该格步号奇偶不符。
解除 parity:c12 后：c9 → c8 → c11 → c12 → c10 → c7 → c6 → c5 → c4 → c0 → c1 → c2 → c3
c8 → c4 → c2 → c1 → c0 → c3 → c7 → c6 → c5 → c9 → c13 → c14 → c10 → c11 → c12
关键分叉：第 5 步应走 c0，诱惑路线走 c3。排除依据：该格步号奇偶不符。
解除 parity:c6 后：c8 → c4 → c2 → c1 → c3 → c7 → c6 → c0 → c5 → c9 → c13 → c14 → c10 → c11 → c12
解除 parity:c10 后：c8 → c12 → c11 → c10 → c14 → c13 → c9 → c5 → c0 → c6 → c7 → c3 → c1 → c2 → c4
解除 wall:0 后：c8 → c7 → c3 → c4 → c2 → c1 → c0 → c6 → c5 → c9 → c13 → c14 → c10 → c11 → c12
解除 wall:1 后：c8 → c12 → c11 → c7 → c3 → c4 → c2 → c1 → c0 → c6 → c5 → c9 → c10 → c14 → c13
c3 → c7 → c11 → c10 → c9 → c5 → c6 → c0 → c1 → c2 → c4 → c8
关键分叉：第 3 步应走 c11，诱惑路线走 c8。排除依据：该格步号奇偶不符。
解除 parity:c6 后：c3 → c7 → c8 → c4 → c2 → c1 → c0 → c6 → c5 → c9 → c10 → c11
c4 → c3 → c6 → c7 → c8 → c5 → c2 → c1 → c0
关键分叉：第 2 步应走 c3，诱惑路线走 c5。排除依据：这一步门是关闭的。
解除 door:0 后：c4 → c5 → c8 → c7 → c6 → c3 → c0 → c1 → c2
c1 → c2 → c5 → c4 → c7 → c8 → c11 → c10 → c9 → c6 → c3 → c0
关键分叉：第 2 步应走 c2，诱惑路线走 c0。排除依据：这一步门是关闭的。
解除 door:0 后：c1 → c0 → c3 → c6 → c9 → c10 → c11 → c8 → c7 → c4 → c5 → c2
c9 → c8 → c5 → c6 → c2 → c3 → c7 → c10 → c13 → c12 → c14 → c11 → c4 → c0 → c1
关键分叉：第 2 步应走 c8，诱惑路线走 c10。排除依据：这一步门是关闭的。
解除 door:0 后：c9 → c10 → c13 → c12 → c8 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4 → c11 → c14
c0 → c3 → c4 → c1 → c2 → c8 → c7 → c6 → c5 → c9 → c10 → c11
关键分叉：第 2 步应走 c3，诱惑路线走 c1。排除依据：永久墙不能穿过。
解除 wall:0 后：c0 → c1 → c2 → c8 → c7 → c6 → c4 → c3 → c5 → c9 → c10 → c11
解除 door:0 后：c0 → c3 → c4 → c1 → c2 → c8 → c7 → c11 → c10 → c9 → c5 → c6
c13 → c11 → c8 → c4 → c0 → c1 → c2 → c6 → c5 → c9 → c12 → c10 → c7 → c3
关键分叉：第 8 步应走 c6，诱惑路线走 c3。排除依据：这一步门是关闭的。
解除 door:0 后：c13 → c11 → c8 → c4 → c0 → c1 → c2 → c3 → c7 → c10 → c12 → c9 → c5 → c6
c9 → c7 → c8 → c6 → c4 → c5 → c3 → c2 → c0 → c1
关键分叉：第 8 步应走 c2，诱惑路线走 c1。排除依据：永久墙不能穿过。
解除 wall:0 后：c9 → c7 → c8 → c6 → c4 → c5 → c3 → c1 → c0 → c2
c11 → c10 → c12 → c9 → c6 → c3 → c0 → c1 → c2 → c4 → c5 → c8 → c7
关键分叉：第 12 步应走 c8，诱惑路线走 c7。排除依据：永久墙不能穿过。
解除 wall:0 后：c11 → c10 → c12 → c9 → c6 → c3 → c0 → c1 → c2 → c4 → c5 → c7 → c8
解除 wall:1 后：c11 → c10 → c12 → c9 → c6 → c3 → c0 → c1 → c4 → c2 → c5 → c8 → c7
c2 → c1 → c0 → c3 → c4 → c5 → c7 → c6 → c9 → c12 → c10 → c8 → c11
关键分叉：第 7 步应走 c7，诱惑路线走 c8。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c2 → c1 → c0 → c3 → c4 → c5 → c8 → c11 → c10 → c12 → c9 → c6 → c7
c7 → c5 → c4 → c2 → c1 → c0 → c3 → c6 → c9 → c10 → c8 → c11 → c14 → c13 → c12
关键分叉：第 3 步应走 c4，诱惑路线走 c2。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c7 → c5 → c2 → c1 → c0 → c3 → c4 → c6 → c9 → c12 → c13 → c14 → c11 → c8 → c10
解除 wall:0 后：c7 → c5 → c8 → c11 → c14 → c13 → c12 → c10 → c9 → c6 → c3 → c0 → c1 → c2 → c4
解除 wall:1 后：c7 → c10 → c9 → c6 → c3 → c0 → c1 → c2 → c4 → c5 → c8 → c11 → c14 → c13 → c12
c4 → c2 → c0 → c1 → c3 → c5 → c7 → c6 → c8 → c9 → c11 → c10
关键分叉：第 7 步应走 c7，诱惑路线走 c6。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c4 → c2 → c0 → c1 → c3 → c5 → c6 → c7 → c8 → c9 → c10 → c11
解除 wall:0 后：c4 → c2 → c0 → c1 → c3 → c5 → c7 → c6 → c8 → c10 → c11 → c9
c4 → c2 → c1 → c0 → c3 → c6 → c7 → c10 → c9 → c12 → c13 → c11 → c8 → c5
关键分叉：第 8 步应走 c10，诱惑路线走 c9。排除依据：该格步号奇偶不符。
解除 parity:c9 后：c4 → c2 → c1 → c0 → c3 → c6 → c7 → c9 → c12 → c13 → c10 → c11 → c8 → c5
c0 → c1 → c2 → c4 → c3 → c5 → c6 → c7 → c8 → c10 → c9 → c11
关键分叉：第 8 步应走 c7，诱惑路线走 c8。排除依据：该格步号奇偶不符。
解除 parity:c8 后：c0 → c1 → c2 → c4 → c3 → c5 → c6 → c8 → c10 → c11 → c9 → c7
c0 → c3 → c1 → c2 → c5 → c7 → c8 → c11 → c14 → c16 → c15 → c12 → c13 → c10 → c9 → c6 → c4
关键分叉：第 7 步应走 c8，诱惑路线走 c4。排除依据：该格步号奇偶不符。
解除 parity:c12 后：c0 → c3 → c1 → c2 → c5 → c7 → c4 → c6 → c9 → c10 → c12 → c15 → c13 → c16 → c14 → c11 → c8
解除 parity:c14 后：c0 → c3 → c1 → c2 → c4 → c7 → c5 → c8 → c11 → c14 → c16 → c15 → c13 → c12 → c10 → c9 → c6
解除 wall:0 后：c0 → c3 → c1 → c2 → c5 → c7 → c4 → c6 → c9 → c12 → c15 → c16 → c13 → c10 → c8 → c11 → c14
解除 wall:1 后：c0 → c3 → c6 → c9 → c10 → c7 → c4 → c1 → c2 → c5 → c8 → c11 → c13 → c12 → c15 → c16 → c14
c0 → c2 → c1 → c3 → c4 → c5 → c6 → c7 → c8 → c10 → c9 → c11
关键分叉：第 8 步应走 c7，诱惑路线走 c8。排除依据：该格步号奇偶不符。
解除 parity:c10 后：c0 → c2 → c1 → c3 → c4 → c5 → c6 → c8 → c10 → c11 → c9 → c7
解除 wall:0 后：c0 → c2 → c1 → c3 → c5 → c4 → c6 → c7 → c8 → c10 → c9 → c11
c0 → c3 → c1 → c2 → c4 → c5 → c7 → c6 → c9 → c12 → c10 → c8 → c11 → c14 → c13
关键分叉：第 7 步应走 c7，诱惑路线走 c8。排除依据：该格步号奇偶不符。
解除 parity:c12 后：c0 → c3 → c1 → c2 → c4 → c5 → c8 → c7 → c6 → c9 → c12 → c10 → c11 → c14 → c13
解除 wall:0 后：c0 → c3 → c1 → c2 → c4 → c6 → c9 → c12 → c10 → c7 → c5 → c8 → c11 → c14 → c13
c11 → c7 → c6 → c10 → c14 → c13 → c12 → c8 → c9 → c5 → c4 → c0 → c1 → c2 → c3
关键分叉：第 3 步应走 c6，诱惑路线走 c3。排除依据：进出方向不符。
解除 direction:c2 后：c11 → c7 → c3 → c2 → c6 → c10 → c14 → c13 → c12 → c8 → c9 → c5 → c1 → c0 → c4
解除 direction:c9 后：c11 → c7 → c6 → c5 → c9 → c10 → c14 → c13 → c12 → c8 → c4 → c0 → c1 → c2 → c3
解除 wall:0 后：c11 → c10 → c14 → c13 → c12 → c8 → c9 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4
c14 → c11 → c12 → c15 → c13 → c10 → c6 → c3 → c2 → c1 → c4 → c0 → c7 → c8 → c9 → c5
关键分叉：第 2 步应走 c11，诱惑路线走 c15。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c14 → c15 → c13 → c10 → c6 → c3 → c2 → c5 → c9 → c8 → c4 → c1 → c0 → c7 → c11 → c12
解除 wall:0 后：c14 → c11 → c12 → c15 → c13 → c10 → c9 → c8 → c7 → c0 → c4 → c1 → c2 → c3 → c6 → c5
解除 wall:1 后：c14 → c11 → c12 → c15 → c13 → c10 → c6 → c3 → c2 → c1 → c4 → c5 → c9 → c8 → c7 → c0
c16 → c13 → c15 → c14 → c11 → c12 → c9 → c5 → c6 → c10 → c7 → c3 → c2 → c1 → c0 → c4 → c8
关键分叉：第 8 步应走 c5，诱惑路线走 c10。排除依据：该格步号奇偶不符。
解除 parity:c5 后：c16 → c13 → c15 → c14 → c11 → c12 → c9 → c10 → c7 → c3 → c2 → c6 → c5 → c1 → c0 → c4 → c8
解除 parity:c7 后：c16 → c13 → c15 → c14 → c11 → c8 → c4 → c0 → c1 → c5 → c6 → c2 → c3 → c7 → c10 → c9 → c12
解除 wall:0 后：c16 → c13 → c15 → c14 → c11 → c12 → c9 → c8 → c4 → c0 → c1 → c5 → c6 → c10 → c7 → c3 → c2
解除 wall:1 后：c16 → c13 → c15 → c12 → c9 → c5 → c6 → c10 → c7 → c3 → c2 → c1 → c0 → c4 → c8 → c11 → c14
c17 → c14 → c11 → c8 → c10 → c13 → c16 → c15 → c12 → c9 → c6 → c7 → c5 → c2 → c4 → c3 → c0 → c1
关键分叉：第 4 步应走 c8，诱惑路线走 c16。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c17 → c14 → c11 → c16 → c15 → c12 → c13 → c8 → c5 → c10 → c9 → c6 → c7 → c2 → c4 → c3 → c0 → c1
解除 wall:0 后：c17 → c14 → c11 → c8 → c10 → c13 → c16 → c15 → c12 → c9 → c6 → c3 → c0 → c1 → c4 → c2 → c5 → c7
解除 wall:1 后：c17 → c14 → c11 → c13 → c16 → c15 → c12 → c9 → c10 → c8 → c5 → c2 → c4 → c7 → c6 → c3 → c0 → c1
解除 wall:2 后：c17 → c14 → c11 → c13 → c16 → c15 → c12 → c9 → c6 → c7 → c10 → c8 → c5 → c2 → c4 → c3 → c0 → c1
c10 → c9 → c8 → c4 → c0 → c1 → c5 → c6 → c2 → c3 → c7 → c11 → c15 → c14 → c13 → c12
关键分叉：第 4 步应走 c4，诱惑路线走 c12。排除依据：进出方向不符。
解除 direction:c5 后：c10 → c9 → c8 → c12 → c13 → c14 → c15 → c11 → c7 → c6 → c5 → c4 → c0 → c1 → c2 → c3
解除 direction:c9 后：c10 → c9 → c13 → c12 → c8 → c4 → c0 → c1 → c5 → c6 → c2 → c3 → c7 → c11 → c15 → c14
解除 door:0 后：c10 → c9 → c8 → c12 → c13 → c14 → c15 → c11 → c7 → c3 → c2 → c6 → c5 → c1 → c0 → c4
c9 → c5 → c4 → c0 → c1 → c2 → c3 → c7 → c6 → c10 → c11 → c14 → c13 → c16 → c15 → c12 → c8
关键分叉：第 2 步应走 c5，诱惑路线走 c10。排除依据：该格步号奇偶不符。
解除 parity:c4 后：c9 → c10 → c6 → c5 → c1 → c2 → c3 → c7 → c11 → c14 → c13 → c16 → c15 → c12 → c8 → c4 → c0
解除 parity:c10 后：c9 → c8 → c4 → c0 → c1 → c2 → c3 → c7 → c11 → c14 → c16 → c15 → c12 → c13 → c10 → c6 → c5
解除 door:0 后：c9 → c8 → c12 → c15 → c16 → c14 → c11 → c7 → c3 → c2 → c1 → c0 → c4 → c5 → c6 → c10 → c13
c11 → c15 → c14 → c10 → c9 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4 → c8 → c12 → c16 → c17 → c13
关键分叉：第 6 步应走 c5，诱惑路线走 c13。排除依据：进出方向不符。
解除 direction:c0 后：c11 → c15 → c14 → c10 → c9 → c13 → c17 → c16 → c12 → c8 → c4 → c5 → c6 → c7 → c3 → c2 → c1 → c0
解除 direction:c6 后：c11 → c15 → c14 → c10 → c6 → c7 → c3 → c2 → c1 → c0 → c4 → c5 → c9 → c8 → c12 → c16 → c17 → c13
解除 direction:c12 后：c11 → c15 → c14 → c10 → c9 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4 → c8 → c12 → c13 → c17 → c16
解除 wall:0 后：c11 → c15 → c14 → c10 → c9 → c13 → c17 → c16 → c12 → c8 → c4 → c0 → c1 → c5 → c6 → c7 → c3 → c2
解除 wall:1 后：c11 → c10 → c9 → c5 → c6 → c7 → c3 → c2 → c1 → c0 → c4 → c8 → c12 → c16 → c17 → c13 → c14 → c15
解除 door:0 后：c11 → c15 → c14 → c10 → c9 → c13 → c17 → c16 → c12 → c8 → c4 → c0 → c1 → c2 → c3 → c7 → c6 → c5
c6 → c7 → c9 → c10 → c12 → c13 → c15 → c18 → c16 → c17 → c14 → c11 → c8 → c5 → c2 → c4 → c3 → c0 → c1
关键分叉：第 3 步应走 c9，诱惑路线走 c10。排除依据：该格步号奇偶不符。
解除 parity:c10 后：c6 → c7 → c10 → c9 → c12 → c13 → c15 → c18 → c16 → c17 → c14 → c11 → c8 → c5 → c2 → c4 → c3 → c0 → c1
解除 parity:c18 后：c6 → c7 → c9 → c10 → c12 → c15 → c18 → c16 → c17 → c14 → c13 → c11 → c8 → c5 → c2 → c4 → c3 → c0 → c1
解除 wall:0 后：c6 → c7 → c9 → c12 → c15 → c18 → c16 → c17 → c14 → c13 → c11 → c10 → c8 → c5 → c2 → c4 → c3 → c0 → c1
解除 wall:1 后：c6 → c7 → c9 → c12 → c15 → c18 → c16 → c17 → c14 → c11 → c13 → c10 → c8 → c5 → c2 → c4 → c3 → c0 → c1
解除 door:0 后：c6 → c7 → c9 → c10 → c12 → c13 → c15 → c18 → c16 → c17 → c14 → c11 → c8 → c5 → c2 → c4 → c1 → c0 → c3
c4 → c1 → c2 → c5 → c9 → c8 → c7 → c11 → c10 → c6 → c3 → c0
关键分叉：第 2 步应走 c1，诱惑路线走 c5。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c4 → c5 → c2 → c1 → c0 → c3 → c6 → c10 → c11 → c7 → c8 → c9
解除 wall:0 后：c4 → c8 → c9 → c5 → c2 → c1 → c7 → c11 → c10 → c6 → c3 → c0
c6 → c9 → c12 → c15 → c13 → c14 → c11 → c8 → c10 → c7 → c5 → c2 → c1 → c4 → c3 → c0
关键分叉：第 8 步应走 c8，诱惑路线走 c10。排除依据：蓝橙颜色必须交替。
解除 alternation 后：c6 → c9 → c12 → c15 → c13 → c14 → c11 → c10 → c8 → c7 → c5 → c2 → c4 → c1 → c3 → c0
解除 wall:0 后：c6 → c7 → c10 → c9 → c12 → c15 → c13 → c14 → c11 → c8 → c5 → c2 → c1 → c4 → c3 → c0
解除 wall:1 后：c6 → c9 → c12 → c15 → c13 → c14 → c11 → c8 → c10 → c7 → c5 → c2 → c1 → c0 → c3 → c4