[
    {
        "n_min": 2,
        "n_max": 20,
        "k_min": 2,
        "k_max": 10,
        "red_prob": 0.5,
        "seed": 123
    },
    {
        "n_min": 2,
        "n_max": 15,
        "k_min": 2,
        "k_max": 15,
        "red_prob": 0.3,
        "seed": 456
    },
    {
        "n_min": 3,
        "n_max": 18,
        "k_min": 2,
        "k_max": 9,
        "red_prob": 0.6,
        "seed": 321
    },
    {
        "n_min": 5,
        "n_max": 25,
        "k_min": 3,
        "k_max": 12,
        "red_prob": 0.7,
        "seed": 789
    }
]