{
   "cells": [
      {
         "blockID": 0,
         "symbolIndex": -1
      },
      {
         "blockID": 0,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 0,
         "immutable": true,
         "symbolIndex": 1
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 2,
         "symbolIndex": -1
      },
      {
         "blockID": 2,
         "symbolIndex": -1
      },
      {
         "blockID": 2,
         "symbolIndex": -1
      },
      {
         "blockID": 0,
         "immutable": true,
         "symbolIndex": 2
      },
      {
         "blockID": 0,
         "symbolIndex": -1
      },
      {
         "blockID": 0,
         "immutable": true,
         "symbolIndex": 4
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 2,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 2,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 2,
         "symbolIndex": -1
      },
      {
         "blockID": 0,
         "immutable": true,
         "symbolIndex": 3
      },
      {
         "blockID": 0,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 0,
         "symbolIndex": -1
      },
      {
         "blockID": 1,
         "immutable": true,
         "symbolIndex": 5
      },
      {
         "blockID": 1,
         "symbolIndex": -1
      },
      {
         "blockID": 1,
         "immutable": true,
         "symbolIndex": 7
      },
      {
         "blockID": 2,
         "immutable": true,
         "symbolIndex": 2
      },
      {
         "blockID": 2,
         "symbolIndex": -1
      },
      {
         "blockID": 2,
         "immutable": true,
         "symbolIndex": 4
      },
      {
         "blockID": 3,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 3,
         "immutable": true,
         "symbolIndex": 2
      },
      {
         "blockID": 3,
         "immutable": true,
         "symbolIndex": 3
      },
      {
         "blockID": 4,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 4,
         "symbolIndex": -1
      },
      {
         "blockID": 4,
         "symbolIndex": -1
      },
      {
         "blockID": 5,
         "symbolIndex": -1
      },
      {
         "blockID": 5,
         "symbolIndex": -1
      },
      {
         "blockID": 5,
         "immutable": true,
         "symbolIndex": 1
      },
      {
         "blockID": 3,
         "symbolIndex": -1
      },
      {
         "blockID": 3,
         "immutable": true,
         "symbolIndex": 4
      },
      {
         "blockID": 3,
         "immutable": true,
         "symbolIndex": 5
      },
      {
         "blockID": 4,
         "symbolIndex": -1
      },
      {
         "blockID": 4,
         "symbolIndex": -1
      },
      {
         "blockID": 4,
         "symbolIndex": -1
      },
      {
         "blockID": 5,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 5,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 5,
         "symbolIndex": -1
      },
      {
         "blockID": 3,
         "symbolIndex": -1
      },
      {
         "blockID": 3,
         "symbolIndex": -1
      },
      {
         "blockID": 3,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 4,
         "symbolIndex": -1
      },
      {
         "blockID": 4,
         "immutable": true,
         "symbolIndex": 7
      },
      {
         "blockID": 4,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 5,
         "immutable": true,
         "symbolIndex": 4
      },
      {
         "blockID": 5,
         "immutable": true,
         "symbolIndex": 5
      },
      {
         "blockID": 5,
         "immutable": true,
         "symbolIndex": 3
      },
      {
         "blockID": 6,
         "immutable": true,
         "symbolIndex": 4
      },
      {
         "blockID": 6,
         "immutable": true,
         "symbolIndex": 3
      },
      {
         "blockID": 6,
         "symbolIndex": -1
      },
      {
         "blockID": 7,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 7,
         "symbolIndex": -1
      },
      {
         "blockID": 7,
         "immutable": true,
         "symbolIndex": 1
      },
      {
         "blockID": 8,
         "immutable": true,
         "symbolIndex": 5
      },
      {
         "blockID": 8,
         "symbolIndex": -1
      },
      {
         "blockID": 8,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 6,
         "immutable": true,
         "symbolIndex": 1
      },
      {
         "blockID": 6,
         "symbolIndex": -1
      },
      {
         "blockID": 6,
         "immutable": true,
         "symbolIndex": 8
      },
      {
         "blockID": 7,
         "immutable": true,
         "symbolIndex": 3
      },
      {
         "blockID": 7,
         "symbolIndex": -1
      },
      {
         "blockID": 7,
         "immutable": true,
         "symbolIndex": 6
      },
      {
         "blockID": 8,
         "symbolIndex": -1
      },
      {
         "blockID": 8,
         "symbolIndex": -1
      },
      {
         "blockID": 8,
         "symbolIndex": -1
      },
      {
         "blockID": 6,
         "symbolIndex": -1
      },
      {
         "blockID": 6,
         "immutable": true,
         "symbolIndex": 0
      },
      {
         "blockID": 6,
         "symbolIndex": -1
      },
      {
         "blockID": 7,
         "immutable": true,
         "symbolIndex": 7
      },
      {
         "blockID": 7,
         "symbolIndex": -1
      },
      {
         "blockID": 7,
         "symbolIndex": -1
      },
      {
         "blockID": 8,
         "immutable": true,
         "symbolIndex": 1
      },
      {
         "blockID": 8,
         "symbolIndex": -1
      },
      {
         "blockID": 8,
         "immutable": true,
         "symbolIndex": 8
      }
   ],
   "blocks": [
      {"cellIDs": [
         0,
         1,
         2,
         9,
         10,
         11,
         18,
         19,
         20
      ]},
      {"cellIDs": [
         3,
         4,
         5,
         12,
         13,
         14,
         21,
         22,
         23
      ]},
      {"cellIDs": [
         6,
         7,
         8,
         15,
         16,
         17,
         24,
         25,
         26
      ]},
      {"cellIDs": [
         27,
         28,
         29,
         36,
         37,
         38,
         45,
         46,
         47
      ]},
      {"cellIDs": [
         30,
         31,
         32,
         39,
         40,
         41,
         48,
         49,
         50
      ]},
      {"cellIDs": [
         33,
         34,
         35,
         42,
         43,
         44,
         51,
         52,
         53
      ]},
      {"cellIDs": [
         54,
         55,
         56,
         63,
         64,
         65,
         72,
         73,
         74
      ]},
      {"cellIDs": [
         57,
         58,
         59,
         66,
         67,
         68,
         75,
         76,
         77
      ]},
      {"cellIDs": [
         60,
         61,
         62,
         69,
         70,
         71,
         78,
         79,
         80
      ]}
   ],
   "multidoku": [{
      "blockWidth": 3,
      "cells": [
         0,
         1,
         2,
         3,
         4,
         5,
         6,
         7,
         8,
         9,
         10,
         11,
         12,
         13,
         14,
         15,
         16,
         17,
         18,
         19,
         20,
         21,
         22,
         23,
         24,
         25,
         26,
         27,
         28,
         29,
         30,
         31,
         32,
         33,
         34,
         35,
         36,
         37,
         38,
         39,
         40,
         41,
         42,
         43,
         44,
         45,
         46,
         47,
         48,
         49,
         50,
         51,
         52,
         53,
         54,
         55,
         56,
         57,
         58,
         59,
         60,
         61,
         62,
         63,
         64,
         65,
         66,
         67,
         68,
         69,
         70,
         71,
         72,
         73,
         74,
         75,
         76,
         77,
         78,
         79,
         80
      ],
      "blocks": [
         0,
         1,
         2,
         3,
         4,
         5,
         6,
         7,
         8
      ],
      "constraints": [
         0,
         1,
         2
      ]
   }]
}