0 0
0 0 
1 1 1 
F G G H G G G G G
F
F G G G G I J K L
F G G G G M N O P
F G G H G G G G G
F G G G G Q R S T
H
F G G H G G G G G
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A I M
I A
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0 0 1 1 M N O P
F G G H G G G G G
F