111X1111X11X1221
111X111121X21221
1X12X11XX11X1221
1X12X11X21X21221
1X121111211X1221
1X121111X1X21221
111XX11X211X1221
111XX11XX1X21221
1X1XX111X1XX1221
1X1XX11121121221
1112111XX1XX1221
1112111X21121221
1X1X111XX1121221
1X1X111X21XX1221
1112X111X1121221
1112X11121XX1221
