0:00
{"difficulty": "medium", "puzzle": [[0, 9, 0, 2, 0, 0, 0, 4, 0], [5, 4, 3, 0, 0, 6, 0, 2, 0], [0, 7, 8, 9, 0, 0, 0, 0, 3], [0, 0, 2, 3, 0, 0, 7, 0, 0], [0, 0, 6, 0, 0, 0, 0, 0, 0], [0, 0, 0, 7, 1, 0, 0, 3, 2], [4, 2, 0, 0, 0, 1, 0, 0, 8], [8, 0, 0, 0, 0, 3, 4, 0, 9], [0, 0, 0, 0, 7, 0, 0, 5, 0]], "solution": [[6, 9, 1, 2, 3, 7, 8, 4, 5], [5, 4, 3, 1, 8, 6, 9, 2, 7], [2, 7, 8, 9, 5, 4, 1, 6, 3], [1, 5, 2, 3, 6, 9, 7, 8, 4], [7, 3, 6, 8, 4, 2, 5, 9, 1], [9, 8, 4, 7, 1, 5, 6, 3, 2], [4, 2, 5, 6, 9, 1, 3, 7, 8], [8, 6, 7, 5, 2, 3, 4, 1, 9], [3, 1, 9, 4, 7, 8, 2, 5, 6]]}
