[
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        "max_row_types": 5,
        "max_col_types": 2,
        "invalid_case_ratio": 0.4
    },
    {
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        "max_col_types": 5,
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    },
    {
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        "max_col_types": 4,
        "invalid_case_ratio": 0.5
    },
    {
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        "max_col_types": 3,
        "invalid_case_ratio": 0.3
    }
]