[
    {
        "size": [
            8,
            8
        ],
        "expect_camp_number": 6,
        "random_rate": 0.3
    },
    {
        "size": [
            6,
            4
        ],
        "expect_camp_number": 3,
        "random_rate": 0.2
    },
    {
        "size": [
            7,
            7
        ],
        "expect_camp_number": 5,
        "random_rate": 0.25
    },
    {
        "size": [
            4,
            4
        ],
        "expect_camp_number": 2,
        "random_rate": 0.1
    },
    {
        "size": [
            6,
            6
        ],
        "expect_camp_number": 4,
        "random_rate": 0.2
    }
]