[
    {
        "max_depth": 3,
        "min_n": 1,
        "max_n": 1000
    },
    {
        "max_depth": 5,
        "min_n": 5,
        "max_n": 1000
    },
    {
        "max_depth": 3,
        "min_n": 2,
        "max_n": 500
    },
    {
        "max_depth": 1,
        "min_n": 1,
        "max_n": 1
    }
]