[
    {
        "min_k": 1,
        "max_k": 26
    },
    {
        "min_k": 4,
        "max_k": 10
    },
    {
        "min_k": 5,
        "max_k": 15
    },
    {
        "min_k": 2,
        "max_k": 2
    }
]