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11110000000000000111
11110000000000000111
11110000000000000111
11110000000000000111
11100000000000000111
1100000000ZZ00000111
11000000Z0ZZ00111111
11100011111111111111

00000000b00000000000
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000000000b00b0000000
000000b00b00b0000000
00000000000000000000

4
2
1