aaaaaaaaaaaaaaaaaaaa
bbbbbbbbbbbbbbbbbbbbb
cccccccccccccccccccccccc
----------------------------
ddddddddddddddddddddddd
ddddddddddddddddd
eeeeeeeeeeeeeeeeeeeeeee
eeeeeeeeeeeeeeeeeeee
bbbbbbbbbbbbbbbbbbbbb
cccccccccccccccccccccccc
----------------------------
ddddddddddddddddddddddd
ddddddddddddddddd
eeeeeeeeeeeeeeeeeeeeeee
eeeeeeeeeeeeeeeeeeee
bbbbbbbbbbbbbbbbbbbbb
cccccccccccccccccccccccc
----------------------------
ddddddddddddddddddddddd
ddddddddddddddddd
eeeeeeeeeeeeeeeeeeeeeee
eeeeeeeeeeeeeeeeeeee
bbbbbbbbbbbbbbbbbbbbb
cccccccccccccccccccccccc
----------------------------
ddddddddddddddddddddddd
ddddddddddddddddd
eeeeeeeeeeeeeeeeeeeeeee
eeeeeeeeeeeeeeeeeeee