X21XX11X22111210
X21XX112221X2110
X21XX12212122110
X21X21XX12111X10
X211212X12X11110
X212X11X22212110
121X211X22X11110
1211X1122211XX10
1211X122X2111X10
1212X1X122111X10
1212X111X2112X10
1212X1211211XX10
221XX11X22122110
221XX12X12212110
22111122X2X12X10
221211X122X12X10
