cccccccccccccccccccccccc
ggggggggggggggggggggggg
dddddddddddddddddddd
ffffffffffffffffffffffffffffff
fggggggggggggggggggggggggg
cccccccccccccccccccccc
hhhhhhhhhhhhhhhhhhhh
bbbbbbbbbbbbbbbbbbbbbbb
gggggggggggggggggggggggggg
hhhhhhhhhhhhhhhhhhhhhhhh