1X11211121XX2111
1X11211121222211
X21121XX21XX2111
X21121XX21222211
X2112111212X2111
X211211121X22211
1X1121XX212X2111
1X1121XX21X22211
XX1121X121X22111
XX1121X1212X2211
1211211X21X22111
1211211X212X2211
XX11211X21XX2211
XX11211X21222111
121121X121XX2211
121121X121222111
