{
  "mode": "direction",
  "title": "方向通道",
  "rule": "每格一次。通道图形连接哪两条边，就必须从这两边进出：横线只通左右，竖线只通上下，拐角只通图示两边，均可反向。通道格不能是起终点。",
  "levels": [
    {
      "id": "01",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "入门",
      "title": "横向通道：只从左、右进出",
      "caption": "每格一次。通道图形连接哪两条边，就必须从这两边进出：横线只通左右，竖线只通上下，拐角只通图示两边，均可反向。通道格不能是起终点。",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c1",
          "x": 1,
          "y": 0,
          "w": 1,
          "h": 1,
          "direction": "lr"
        },
        {
          "id": "c2",
          "x": 2,
          "y": 0,
          "w": 1,
          "h": 1,
          "clue": 1
        },
        {
          "id": "c3",
          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c4",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c5",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1
        }
      ]
    },
    {
      "id": "02",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "入门",
      "title": "拐角通道：认清连接的两条边",
      "caption": "每格一次。通道图形连接哪两条边，就必须从这两边进出：横线只通左右，竖线只通上下，拐角只通图示两边，均可反向。通道格不能是起终点。",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
          "w": 1,
          "h": 1,
          "direction": "dr"
        },
        {
          "id": "c1",
          "x": 1,
          "y": 0,
          "w": 1,
          "h": 1,
          "clue": 1
        },
        {
          "id": "c2",
          "x": 2,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c3",
          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c4",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c5",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c6",
          "x": 0,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c7",
          "x": 1,
          "y": 2,
          "w": 1,
          "h": 1
        }
      ]
    },
    {
      "id": "03",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "普通",
      "title": "纵向通道：只从上、下进出",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c1",
          "x": 1,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c2",
          "x": 2,
          "y": 0,
          "w": 1,
          "h": 1,
          "clue": 8
        },
        {
          "id": "c3",
          "x": 3,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c4",
          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1,
          "clue": 1
        },
        {
          "id": "c5",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1,
          "direction": "du"
        },
        {
          "id": "c6",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c7",
          "x": 3,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c8",
          "x": 1,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c9",
          "x": 2,
          "y": 2,
          "w": 1,
          "h": 1
        }
      ]
    },
    {
      "id": "04",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "普通",
      "title": "两种拐角配合选路",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
          "w": 1,
          "h": 1,
          "clue": 1
        },
        {
          "id": "c1",
          "x": 1,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c2",
          "x": 2,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c3",
          "x": 3,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c4",
          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c5",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1,
          "direction": "ru"
        },
        {
          "id": "c6",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c7",
          "x": 3,
          "y": 1,
          "w": 1,
          "h": 1,
          "direction": "dl"
        },
        {
          "id": "c8",
          "x": 0,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c9",
          "x": 1,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c10",
          "x": 2,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c11",
          "x": 3,
          "y": 2,
          "w": 1,
          "h": 1
        }
      ]
    },
    {
      "id": "05",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "进阶",
      "title": "横、竖、拐角共同排除错误出口",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c1",
          "x": 1,
          "y": 0,
          "w": 1,
          "h": 1,
          "direction": "lr"
        },
        {
          "id": "c2",
          "x": 2,
          "y": 0,
          "w": 1,
          "h": 1
        },
        {
          "id": "c3",
          "x": 3,
          "y": 0,
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          "h": 1
        },
        {
          "id": "c4",
          "x": 0,
          "y": 1,
          "w": 1,
          "h": 1,
          "direction": "du",
          "clue": 7
        },
        {
          "id": "c5",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c6",
          "x": 2,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c7",
          "x": 3,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c8",
          "x": 0,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c9",
          "x": 1,
          "y": 2,
          "w": 1,
          "h": 1
        },
        {
          "id": "c10",
          "x": 2,
          "y": 2,
          "w": 1,
          "h": 1,
          "direction": "dr"
        },
        {
          "id": "c11",
          "x": 3,
          "y": 2,
          "w": 1,
          "h": 1,
          "clue": 1
        },
        {
          "id": "c12",
          "x": 1,
          "y": 3,
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          "id": "c13",
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        }
      ]
    },
    {
      "id": "06",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "进阶",
      "title": "通道与绕行区域配合",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
          "w": 1,
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          "h": 1
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          "id": "c2",
          "x": 2,
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        {
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        },
        {
          "id": "c5",
          "x": 1,
          "y": 1,
          "w": 1,
          "h": 1
        },
        {
          "id": "c6",
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          "w": 1,
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        },
        {
          "id": "c7",
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        },
        {
          "id": "c8",
          "x": 0,
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          "h": 1,
          "clue": 1
        },
        {
          "id": "c9",
          "x": 1,
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        },
        {
          "id": "c10",
          "x": 2,
          "y": 2,
          "w": 1,
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        },
        {
          "id": "c11",
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          "w": 1,
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        {
          "id": "c12",
          "x": 0,
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        },
        {
          "id": "c13",
          "x": 1,
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          "direction": "lr"
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        {
          "id": "c14",
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        },
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          "id": "c15",
          "x": 3,
          "y": 3,
          "w": 1,
          "h": 1
        }
      ]
    },
    {
      "id": "07",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "难",
      "title": "横竖与多个拐角跨区域配合",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
          "y": 0,
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          "id": "c2",
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        {
          "id": "c3",
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        },
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        {
          "id": "c5",
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        {
          "id": "c6",
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        {
          "id": "c7",
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        {
          "id": "c10",
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          "id": "c11",
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        {
          "id": "c12",
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        {
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          "id": "c14",
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          "id": "c16",
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      ]
    },
    {
      "id": "08",
      "mode": "direction",
      "geometry": "square",
      "difficulty": "难",
      "title": "起点未知：由通道反推完整路线",
      "caption": "",
      "cells": [
        {
          "id": "c0",
          "x": 0,
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        {
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        },
        {
          "id": "c5",
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        },
        {
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        {
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        {
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        },
        {
          "id": "c12",
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        },
        {
          "id": "c13",
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        },
        {
          "id": "c14",
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        },
        {
          "id": "c15",
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        {
          "id": "c16",
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        {
          "id": "c17",
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        {
          "id": "c18",
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}