XX2X122111221220
X121222111X21220
X1XX122121221220
X12X2221X1221X20
X121122111121X20
2XX1122111221220
X1211221XX121120
212122211X221220
2X2112212XX21220
2X21222121221120
X12112X111221120
212X2221X1121220
1X21122111221120
11X11221X1221220
21X1222111221120
2X2X1221X1121X20
212X12X111221220
212112X121121220
21X112211X121120
212X12211X221120
112X122121X21120
21XX122111X21120
212112212X221X20
212112X1X1X21120
