12X12X11X2111111
X12121X12X111111
21X2111X11121X11
X1X12X1111111211
1X21211X121X1111
X12X11X211111X11
X12X211X1X111211
X122211X11121X11
X121X11111XX122M
212X111X12121121
X2X21X1X1X1211M1
212121X21X12X12M
