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1111X121X21X1112
1111X2211X1XX112
21111121X2X11112
21111221XX11X112
2111X22112X1X112
1111122112111X12
11111221X2XXXX12
1111X121XXX1XX12
21111121121XXX12
2111X1211X111X12
2111X221XXXX1X12
111111211211X212
11111121XX1X1212
1111X12112XX1212
1111X221XXX11212
211112211XX1X212
21111221121X1212
2111X121XXXXX212
2111X221X211X212
