[
    {
        "target_cha_range": [
            3,
            6
        ],
        "max_has_range": [
            2,
            3
        ]
    },
    {
        "target_cha_range": [
            3,
            6
        ],
        "max_has_range": [
            2,
            3
        ]
    },
    {
        "target_cha_range": [
            3,
            6
        ],
        "max_has_range": [
            2,
            3
        ]
    }
]