cccccccccccccccccccccccccccccccccc
sssssssssssssssssssss
vvvvvvvvvvvvvvvvvvvvvvv
mmmmmmmmmmmmmmmmmmmmmmmmmm
ffffffffffffffff
fffffffffffffffffffffffffffffffffff
sssssssssssssssssssssssssss
ilkjllllllllllllllllllll
ddddddddddddddddddd
bbbbbbbbbbbbb
ddddddddddddddddddddd