1111X22111X11121
1111X2211121X121
11112X2111X1X121
111XXX2111X1X121
111X2X2111211121
111X222111X1X121
11X1XX2111211121
11X1X22111X1X121
11X1222111211121
11XXX22111211121
11XX2X2111X11121
11XX2X211121X121
