c ccc ccccccccc ccc
kkkkkkkk fffffffffffffffffffff
h hhhh hh hhh
h hhh hhhh hhhhhhh

    BBBBBBbbD

    kkkkkkkk BBBBBB

        c cccc cc c cccccc ccccccc ccc cccc
        BBBBbSss ssssssSbD
        dddddddD
    kkk

    kkkkkkkk fffffff
    h hhhhhhh hhh hhhhhhh
        BBBBbSss sssssssSbD
        c ccccccc ccccc cccc
    kkk
kkk
