[
    {
        "grid_rows": 5,
        "grid_cols": 5
    },
    {
        "grid_rows": 6,
        "grid_cols": 4
    },
    {
        "grid_rows": 3,
        "grid_cols": 5
    },
    {
        "grid_rows": 4,
        "grid_cols": 6
    },
    {
        "grid_rows": 7,
        "grid_cols": 7
    },
    {
        "grid_rows": 5,
        "grid_cols": 3
    }
]