POSSIBLE
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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011111111111111111111111111111111111111111111111111111111111111111111111111111111111111110
011111111111111111111111100000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000