XX1211X1X2X11201
2X1XX121221X1210
X11221XX2X1X1211
X112212XXX11X211
111X22XX1X111211
2X1XX2221222X211
2X1221211X112211
211X122XX2X2X211
21121XX122211211
X1121111XX1X2212
1X121111121X2212
1X1XXX2X12121X20
1X1211212211XX20
111X2X11X21X1X20
211XX2221XX21X20
2112XXXX1212X220
XX1X2X212X12X221
1X12112222X21221
