{"train": [{"input": [[0, 0, 0, 0], [0, 5, 6, 0], [0, 8, 3, 0], [0, 0, 0, 0]], "output": [[5, 0, 0, 6], [0, 0, 0, 0], [0, 0, 0, 0], [8, 0, 0, 3]]}, {"input": [[0, 0, 0, 0], [0, 3, 4, 0], [0, 7, 6, 0], [0, 0, 0, 0]], "output": [[3, 0, 0, 4], [0, 0, 0, 0], [0, 0, 0, 0], [7, 0, 0, 6]]}], "test": [{"input": [[0, 0, 0, 0], [0, 2, 3, 0], [0, 4, 9, 0], [0, 0, 0, 0]], "output": [[2, 0, 0, 3], [0, 0, 0, 0], [0, 0, 0, 0], [4, 0, 0, 9]]}]}