{
  "mode": "block-alternation",
  "title": "双色交替",
  "rule": "蓝格 → 橙格 → 蓝格，每一步换颜色。整块只算一步，每块一次；共享边界但颜色相同也不能走。○是蓝格，△是橙格。",
  "levels": [
    {
      "id": "01",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "入门",
      "title": "蓝橙交替，整块一步",
      "caption": "蓝格 → 橙格 → 蓝格，每一步换颜色。整块只算一步，每块一次；共享边界但颜色相同也不能走。○是蓝格，△是橙格。",
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          "y": 0,
          "w": 2,
          "h": 1,
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          "id": "c1",
          "x": 2,
          "y": 0,
          "w": 1,
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        {
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          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1,
          "clue": 1,
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        },
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          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1,
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        },
        {
          "id": "c4",
          "x": 2,
          "y": 1,
          "w": 1,
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        {
          "id": "c5",
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          "y": 2,
          "w": 1,
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          "x": 1,
          "y": 2,
          "w": 1,
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          "category": "triangle"
        }
      ]
    },
    {
      "id": "02",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "入门",
      "title": "大格旁同色相邻也不能走",
      "caption": "蓝格 → 橙格 → 蓝格，每一步换颜色。整块只算一步，每块一次；共享边界但颜色相同也不能走。○是蓝格，△是橙格。",
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          "x": 0,
          "y": 0,
          "w": 2,
          "h": 1,
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          "id": "c1",
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          "y": 0,
          "w": 1,
          "h": 1,
          "clue": 1,
          "category": "circle"
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          "id": "c2",
          "x": 3,
          "y": 0,
          "w": 1,
          "h": 1,
          "category": "triangle"
        },
        {
          "id": "c3",
          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1,
          "category": "triangle"
        },
        {
          "id": "c4",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1,
          "category": "circle"
        },
        {
          "id": "c5",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1,
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        {
          "id": "c6",
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          "y": 1,
          "w": 1,
          "h": 1,
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        },
        {
          "id": "c7",
          "x": 1,
          "y": 2,
          "w": 1,
          "h": 1,
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        },
        {
          "id": "c8",
          "x": 2,
          "y": 2,
          "w": 1,
          "h": 1,
          "category": "circle"
        }
      ]
    },
    {
      "id": "03",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "普通",
      "title": "颜色数量决定两端颜色",
      "caption": "",
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          "x": 0,
          "y": 0,
          "w": 2,
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          "id": "c1",
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        {
          "id": "c2",
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        {
          "id": "c3",
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        {
          "id": "c4",
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          "y": 1,
          "w": 1,
          "h": 1,
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          "category": "circle"
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        {
          "id": "c5",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1,
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          "clue": 7
        },
        {
          "id": "c6",
          "x": 3,
          "y": 1,
          "w": 1,
          "h": 1,
          "category": "triangle"
        },
        {
          "id": "c7",
          "x": 0,
          "y": 2,
          "w": 1,
          "h": 1,
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        },
        {
          "id": "c8",
          "x": 1,
          "y": 2,
          "w": 1,
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        {
          "id": "c9",
          "x": 2,
          "y": 2,
          "w": 1,
          "h": 1,
          "category": "triangle"
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          "id": "c10",
          "x": 3,
          "y": 2,
          "w": 1,
          "h": 1,
          "category": "circle"
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      ]
    },
    {
      "id": "04",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "普通",
      "title": "大格多出口中选择另一种颜色",
      "caption": "",
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        {
          "id": "c0",
          "x": 0,
          "y": 0,
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          "y": 0,
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        {
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          "w": 1,
          "h": 1,
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        },
        {
          "id": "c3",
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          "y": 1,
          "w": 1,
          "h": 1,
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        },
        {
          "id": "c4",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1,
          "category": "triangle"
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        {
          "id": "c5",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1,
          "clue": 1,
          "category": "circle"
        },
        {
          "id": "c6",
          "x": 3,
          "y": 1,
          "w": 1,
          "h": 1,
          "category": "circle"
        },
        {
          "id": "c7",
          "x": 0,
          "y": 2,
          "w": 1,
          "h": 1,
          "category": "triangle"
        },
        {
          "id": "c8",
          "x": 1,
          "y": 2,
          "w": 1,
          "h": 1,
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        },
        {
          "id": "c9",
          "x": 2,
          "y": 2,
          "w": 1,
          "h": 1,
          "category": "circle"
        },
        {
          "id": "c10",
          "x": 3,
          "y": 2,
          "w": 1,
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        },
        {
          "id": "c11",
          "x": 1,
          "y": 3,
          "w": 1,
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        },
        {
          "id": "c12",
          "x": 2,
          "y": 3,
          "w": 1,
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          "category": "triangle"
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      ]
    },
    {
      "id": "05",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "进阶",
      "title": "异形凹口与双色交替配合",
      "caption": "",
      "cells": [
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          "id": "c0",
          "x": 0,
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          "id": "c3",
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        {
          "id": "c4",
          "x": 2,
          "y": 1,
          "w": 2,
          "h": 1,
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        },
        {
          "id": "c5",
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        },
        {
          "id": "c6",
          "x": 1,
          "y": 2,
          "w": 1,
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          "clue": 6
        },
        {
          "id": "c7",
          "x": 2,
          "y": 2,
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        },
        {
          "id": "c8",
          "x": 3,
          "y": 2,
          "w": 1,
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          "category": "triangle"
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        {
          "id": "c9",
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          "w": 1,
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        {
          "id": "c10",
          "x": 1,
          "y": 3,
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          "id": "c11",
          "x": 2,
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          "x": 3,
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      ]
    },
    {
      "id": "06",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "进阶",
      "title": "跨区时留下另一种颜色的出口",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
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          "id": "c1",
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          "w": 1,
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          "id": "c2",
          "x": 3,
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          "id": "c3",
          "x": 1,
          "y": 1,
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          "id": "c4",
          "x": 2,
          "y": 1,
          "w": 2,
          "h": 1,
          "category": "circle"
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        {
          "id": "c5",
          "x": 0,
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        {
          "id": "c6",
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          "id": "c8",
          "x": 3,
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          "id": "c10",
          "x": 1,
          "y": 3,
          "w": 1,
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        {
          "id": "c11",
          "x": 2,
          "y": 3,
          "w": 1,
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        {
          "id": "c12",
          "x": 3,
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          "id": "c13",
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          "x": 2,
          "y": 4,
          "w": 1,
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      ]
    },
    {
      "id": "07",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "难",
      "title": "多个大格与异形共同推理",
      "caption": "",
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        {
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        },
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        {
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      ]
    },
    {
      "id": "08",
      "mode": "block-alternation",
      "geometry": "blocks",
      "difficulty": "难",
      "title": "起点未知：从颜色与区域推断路线",
      "caption": "",
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