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111X2X221111X112
111X221X11212X12
1112XX2X11212X12
1112X2121111X112
11122X1X1111X112
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112XXX1X1111X112
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112X2X2X11212X12
112X22121111X112
1122XX221111X112
1122X21X11212X12
11222X1211212X12
1122222X1111X112
