c ccc ccccccccc ccc
kkkkkkkk fffffffffffffffff
h hhhh hhhhhhh

    c ccccccc ccccc ccccccccccc
    kkkkkkkkkk
        PPPPPPPPPP tttttt o nD c cccccc cccccccc cccc c ccccccc ccccc
    kkk

    kkkkkkk
        kkkkkkkk vvv o fffffffbvvvvvvvvvvvvb
        h hhhhhhhhhhh hhhhhh
            dddDdddddddddd o ddddddddddddD
        kkk

        kkkkkkkk vvvvvvvv o fffffffffffffbvvvb
        h hhhhhh hhhhhh
            vvvvvvvv o dddDddddddddddD
        kkk

        kkkkkkkk vvv o fffffffffffffbvvvD vvvvvvvvb
        h hhhhhh hhhhhh
            dddDdddddddddd o ddddddddD
        kkk
    kkk
kkk
