[
    {
        "max_n": 100000,
        "max_diff": 2000,
        "min_m": 1,
        "mod": 1000000007
    },
    {
        "max_n": 1000,
        "max_diff": 2000,
        "min_m": 1,
        "mod": 1000000007
    },
    {
        "max_n": 100000,
        "max_diff": 500,
        "min_m": 1,
        "mod": 1000000007
    },
    {
        "max_n": 10000,
        "max_diff": 2000,
        "min_m": 1,
        "mod": 1000000007
    }
]