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X1X2X1X2X1122112
1111X122X1121112
211211X2X11X1112
21X1X1X2X1112112
X1X1X1X2X11XX112
11XXX1X2X11X2112
21X2X122X21X1112
21X2X122111X1112
21XXX1X2X112X112
11X2X1X2X111X112
11X1X1X212121112
1112X1X2111X1112
11X1X122X212X112
21X211X2X2121112
21X2X1X2121XX112
11X111X2111X1112
21X211X21112X112
2111X1X2X2121112
2112X122X11XX112
11X111X2X21XX112
11X1X1221112X112
11X11122X1121112
111111X2X112X112
2111X1X21112X112
1112X1X2X21XX112
21X21122X11XX112
