X121111X2XXX1111
X22121X21X121111
X1211XXX121X2111
111111XX2X222111
12211112X2121X11
112112XX21221X11
111111X2X1X22X11
X1X1X1X211121211
21211XX21X121211
112112XXX1221211
1121X1XX111X2211
11111112XXX22211
