11X11X12X11X1220
11XX1121X11X1220
112111122112X220
21X11112X11X1220
21XX1X212112X220
212X1X21X11X1220
212X1X212112X220
11XXX11X1X121210
11X21211X1221210
112XX11X1X121210
11221211X1221210
