AAAAAAAAAAAAAAAAAAAAAAAAAA
B
BBBBBBBBBBBBBBBBBBBBBBBB
CCCCCCCCCCCCCCCCCCCC
DDDDDDDDDDDDDDDDDDDDDDD
HHHHHHHHHHHHHHHHHHHHHHH
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
CCCCCCCCCCCCCCCCCC
DDDDDDDDDDDDDDDDDDDDDDDDDD
OOOOOOOOOOOOOOOOOOOOO
RRRRRRRRRRRRRRRRRRRRRRR