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