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1212111X1X21X121
1212XX1X2X21X121
121X2X1X1221X121
12121112X221X121
1X12211XX1212121
1212XX1X21212121
1X122X121X212121
121X21122X212121
1211X11212212121
1X1X211X22212121
12111X121X21XX21
1211211X2221XX21
12121X1XX1212X21
12112X1X21212X21
1212111221212X21
1X1121121X212X21
1X121X1X12212X21
12111X1XX121X221
1211X11X2121X221
12111112XX21X221
1X12111X2X21X221
1211XX1X11212221
1X1X1X12X1212221
1X112X1X1X212221
1X12X1122X212221
121X1X122X212221
1X11211XX2212221
121X111X22212221
