111X211X11111121
11X21X11X1X21121
1X12111111111121
1XXX2X1XX1X21121
111X2X111X111121
11X2111XXXX21121
1X1X1111XXX21121
1XX22X1X1X111121
111X1X1X12111121
11X22111X2X21121
1X122X1XX2X21121
1XXX111112111121
