[
    {
        "itemId": 20001,
        "roomLevels": [1]
    },
    {
        "itemId": 20002,
        "roomLevels": [2, 3]
    },
    {
        "itemId": 20003,
        "roomLevels": [4, 5]
    },
    {
        "itemId": 20004,
        "roomLevels": [6]
    },
    {
        "itemId": 20101,
        "roomLevels": [1]
    },
    {
        "itemId": 20102,
        "roomLevels": [2, 3]
    },
    {
        "itemId": 20103,
        "roomLevels": [4, 5]
    },
    {
        "itemId": 20104,
        "roomLevels": [6]
    },
    {
        "itemId": 20201
    }
]