2112111X21112121
2112111X21112221
212211XX21122121
212211XX21122221
12X211X11XX22121
12X211X11XX22221
222221X11XX22121
222221X11XX22221
2222111121X12221
2222111X21122221
222211X121X12221
222211XX21122221
2222112121X12221
2222112X21122221
2222111X21X12121
2222211121X12221
22X211XX21X12111
222211X121X12211
1X2212X121X12221
2X2211XX21X12221
