{
  "startsAt": 0,
  "problem": {
    "field": {
      "size": 8,
      "entities": [
        [
          0,
          0,
          1,
          1,
          3,
          7,
          11,
          3
        ],
        [
          4,
          4,
          5,
          5,
          2,
          6,
          10,
          7
        ],
        [
          8,
          8,
          9,
          9,
          2,
          6,
          10,
          11
        ],
        [
          12,
          12,
          13,
          13,
          14,
          14,
          15,
          15
        ],
        [
          16,
          16,
          17,
          17,
          18,
          18,
          19,
          19
        ],
        [
          20,
          20,
          21,
          21,
          22,
          22,
          23,
          23
        ],
        [
          24,
          24,
          25,
          25,
          26,
          26,
          27,
          27
        ],
        [
          28,
          28,
          29,
          29,
          30,
          30,
          31,
          31
        ]
      ]
    }
  }
}