aaaaaaa
aaaaaaa aaaaaaa
aaaaaaa aaaaaaa aaaaaaa aaaaaaa
aaaaaaa
bbbbbbb
bbbbbbb bbbbbbb
bbbbbbb bbbbbbb bbbbbbb
bbbbbbb
ccccccc
tttttt tttttt tttttt
ccccccc ccccccc
ccccccc ccccccc ccccccc ccccccc
ccccccc
dddddd dddddd dddddd
yyyyyyy yyyyyyy yyyyyyy
eeeeee eeeeee eeeeee