1X1X112211211121
121XX12111211121
111X112211212121
1X11X12211211121
1212112221211121
1X11112211212121
121XX12221211121
1111X12111212121
1X12112111211121
1112X12211211121
1211112211212121
1112112211212121
1111X12221212121
1XX2112X21212122
1112111X21212122
