121121221X2X1X11
12X121221X2X1X11
1X12112XX1211122
1X12112X22211X22
1X12X122X2211X22
1X12X12221211122
1XX21122X2211122
1XX2112221211X22
1XX2X12XX1211X22
1XX2X12X22211122
12121122X1211X22
1212112222211122
1212X12XX2211122
1212X12X21211X22
12X2112XX2211X22
12X2112X21211122
12X2X122X1211122
12X2X12222211X22
