[
    # 1 -> 2 -> 3 -> 4 -> 5 -> 6
    # 1. Part I Left
    # [1101],

    # 2. Part II Left
    [2101],

    # 3. Part III Left
    [3101],

    # 4. Part I Right
    # [1201],

    # 5. Part II Right
    [2201],

    # 6. Part III Right
    [3201]
]