11111XX211121112
X1111XX221121112
1111121211121X12
X111121221121X12
X11X11X211121112
111X1X1221X21X12
X11X1X1211221X12
111X12X221X21112
X11X12X211221112
X112111211X21112
X11211X211X21X12
1112111221221112
111211X221221X12
