21X112X1212212M2
212112X1212212M2
21X11221212212M2
21211221212212M2
1121121121221200
1X21X2X121221200
1221222121221200
X121X22121221200
XX21221121221200
X22112X121221200
212122X121221200
2X21122121221200
2221X21121221200
2121X2X1X1221222
212XX2X1X1221222
2121X2X121221222
212XX2X121221222
