1X21XX11212X1X11
1X21XX112X221211
1X21221121221211
1X2122112X2X1X11
1X2XX21121221X11
1X2XX2112X2X1211
1X2X2X11212X1211
1X2X2X112X221X11
1221X211212X1211
1221X2112X221X11
12212X1121221X11
12212X112X2X1211
122XXX1121221211
122XXX112X2X1X11
122X2211212X1X11
122X22112X221211
