11111X12X1111211
111X21X21XX1X211
1121211211111211
112X1XX2XXX1X211
X1111XX211111211
X11X2112XXX1X211
X12111121XX1X211
X12X2XX2X1111211
211111X2X1111211
211X2X121XX1X211
21212XX2XXX1X211
212X111211111211
