c ccc ccccccccc ccc

vvvvvvvvvvvv o n
vvvvvvvvvvvv o n

HH HHHHHHH HHH

vvvvvvvvvvv o n
vvvvvvvvvvv o n

HH HHHHHHH HHH

vvvvvvvvvvv o n
vvvvvvvvvvv o n

c cccc ccccccc
cc ccc c ccccccc ccccccccc cccc ccccc cc ccccccccc cc c ccccccccccc ccccc

