1
aaaaaaaaaaaaaaaa
assssssssssss
sssssssssssssssss
2
bbbbbbbbbbbbbbb
bbbbbbbbbbbbbbbb
cccccccccccccccc
3
ccccccccccccccccccc
ccccccccccccccccccc
ccddddddddddddddddd
4
ddddddddddddddddddddddddd
deeeeeeeeeeeeeee
ddddddddddddddddd
5
ffffffffffffffffffffffffffff
ggggggggggggggg
ffffffffffffffffffffffffff