X112111X11122111
X122111X11X12111
X122111X11112111
X122111X21X12111
X122111X21122211
X212111X11X22211
X212111X21X22211
X212111X21112211
X222111X11X22111
X222111X11122111
2112111X21X12211
2112111X21112111
2112111X21122111
2212111X11X12111
2212111X11112111
2212111X11112211
2222111X21112211
2222111X21122211
