111112XX11221121
111112XX2X121121
111X12X122X21121
111X12XXXXX21121
111212X21X121121
111212X2X1221121
X11112X1XXX21121
X11112X222X21121
X11X12X121121121
X11X12XXX2121121
X11212X11X221121
211112X1X2121121
211112X221121121
211X12X21X221121
211X12X2X1X21121
211212XX11X21121
211212XX2X221121
11111XXX21111122
1112X222121XX211
1112XX1111121112
