11222XX1XX112110
X1222XX1XX112110
21222XX1XX112110
11X212X1X121X211
X1X212X1X121X211
21X212X1X121X211
1112X1212XX12221
X112X1212XX12221
2112X1212XX12221
X122X1111X112121
X1222X21X21X2X21
X1222X21221X2X21
