[
    {
        "min_n": 1,
        "max_n": 100,
        "min_m": 2,
        "max_m": 5,
        "invalid_prob": 0.3
    },
    {
        "min_n": 100,
        "max_n": 500,
        "min_m": 4,
        "max_m": 10,
        "invalid_prob": 0.5
    },
    {
        "min_n": 1,
        "max_n": 50,
        "min_m": 1,
        "max_m": 3,
        "invalid_prob": 0.2
    },
    {
        "min_n": 200,
        "max_n": 1000,
        "min_m": 5,
        "max_m": 15,
        "invalid_prob": 0.6
    }
]