111211212112111M
11X2X2112X1221M0
2X1X112XX2121122
111X11212112111M
111XX121XX1X111M
11121121X112X11M
11XX1121X112111M
11XXX1212X1XX11M
11X2X1212X1X111M
11X2X1212X1XX11M
