[
    {
        "s": 50,
        "k": 5,
        "n": 5
    },
    {
        "s": 10,
        "k": 1,
        "n": 3
    },
    {
        "s": 100,
        "k": 10,
        "n": 10
    },
    {
        "s": 8,
        "k": 1,
        "n": 3
    }
]