[ # ]____[ # ]-- \                                       / --[ # ]____[ # ]
    |___|    |___|--- \                                     / ---|___|    |___|
    [ # ]____[ # ]----- \                                 / -----[ # ]____[ # ]
    |___|    |___|-------- \                           / --------|___|    |___|
    [ # ]____[ # ]------------ \                   / ------------[ # ]____[ # ]
    |___|    |___|----------------- \         / -----------------|___|    |___|
    [ # ]____[ # ]---------------------- * ----------------------[ # ]____[ # ]
    |___|    |___|----------------- /         \ -----------------|___|    |___|
    [ # ]____[ # ]------------ /                   \ ------------[ # ]____[ # ]
    |___|    |___|-------- /                           \ --------|___|    |___|
    [ # ]____[ # ]----- /                                 \ -----[ # ]____[ # ]
    |___|    |___|--- /                                     \ ---|___|    |___|
    [ # ]____[ # ]-- /                                       \ --[ # ]____[ # ]