{
    "train": [
        {
            "input": [[5, 0, 8, 8, 2, 3, 3, 5, 1, 0, 3, 0, 0, 2, 1, 0, 5, 0, 3, 0, 1]],
            "output": [[3, 3, 5, 1, 0, 3, 0, 0]]
        },
        {
            "input": [[9, 0, 4, 4, 4, 9, 3, 9, 4, 4, 4, 9, 0, 0, 3, 9, 0, 0, 9, 3]],
            "output": [[9, 3, 9]]
        },
        {
            "input": [[2, 0, 2, 8, 0, 0, 5, 3, 3, 3, 2, 2, 5, 0, 8, 2, 5, 5]],
            "output": [[0, 0, 5, 3, 3, 3, 2, 2, 5, 0]]
        }
    ],
    "test": [
        {
            "input": [[2, 1, 8, 3, 8, 1, 0, 8, 2, 8, 1, 2, 8, 3, 1, 8]],
            "output": [[8, 1, 0, 8, 2, 8, 1, 2, 8]]
        }
    ]
}