ffffffffffffffffffffffffffff
ggggggggggggggggggggg
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
cccccccccccccccccccccccc
ggggggggggggggggggggggg
dddddddddddddddddddd
ffffffffffffffffffffffffffffff
fggggggggggggggggggggggggg
cccccccccccccccccccccc
hhhhhhhhhhhhhhhhhhhh