1211X12X11212X21
12X21X2111212121
1XX11X2X11X1XX21
12X2X22X11111221
1X12212X11X12X21
1121222X11111X21
112X11211111XX21
1X22112211211X21
1X1XX12211X1X221
12XX212111X11X21
1X22222111X1X121
1XXXXX2X11211121
11X2XX221111XX21
1112X12111111121
1XX1XX2111X12221
11XX1X2211111221
11X1X12X11111221
122X222211212221
12112X211111X221
1X11122211112121
11112X2211211121
1122XX2X1121X221
121X122111X1X221
11XXX22X11X12121
1221122211X1X121
