121122111121X212
X21122111121X212
1X1122111X211212
22112X1111211212
121X221111211X12
XX11221111212212
1212X21111211212
121121111X211212
X211X21111211212
221X221111X11212
1X11221111211112
1211221112211X12
X21112111121X212
2X11221111211212
1212211111211212
221122111X211112
12112X1111211112
X211221112X11212
1X11221111212X12
2211X21111211212
X21X221111211212
121122111X21X212
