CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
WWWWWWWWWWWWWWWWWWWWWWWWWW
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
OOOOOOOOOOOOOOOOOOOOOOOOOOOOO
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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