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2121X111111X111M
2121112X11121X1M
1121111X11121X1M
1121X121111X111M
X12111X1111X111M
X121X1XX11121X1M
2121X111111X111M
2121112X11121X1M
112X11211X121112
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1121X12X111X1112
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112X21221X121112
