1X1221X2X2122121
111X1122XX122121
1X1X2121XX122121
X11X11X11X112121
XX12112112112121
1X1221211X112121
1X1X212112112121
1X1X2122XX112121
1X1211X1X2112121
111X21X1XX112121
1X111121X1112121
11122121X2112121
XX122121XX112121
XX1X2121X2112121
