vvvvvvvvvvvvvvvvvv
vvvvvvvvvvvvvvvvv
gggggggggggggggggg
bbbbbbbbbbbbbbbbbbbbbbbbbb
nnnnnnnnnnnnnnnnnnnnnnnnnnnnn
cccccccccccccccccccccccc
fffffffffffffffffffffff
hhhhhhhhhhhhhhhh
kkkkkkkkkkkkkkkkkkkkkkkkk
ggggggggggggggggggggggggggggggggggggg
