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112122X2X1121112
1X21X2X2111X1112
1X212122XX121112
1121X122X11X1X12
112122X21X121X12
1X21X1X211121X12
1X212222XX1X1X12
1121X1X2XX1X1212
1121222211121212
1X21X222XX121212
1X2121X2111X1212
