X11121XXX1X11112
2XX1212X2XX11112
2111212XXX222112
2X112X2XX1211212
21X122XXXX211212
2111222X21X21212
X1X12X2XXXX21212
XX11222XXXX12212
21112XXX2XX12212
X111212X2X211112
2X1121XXXXX21112
21X1212XX1X12112
2XX121XXX1X11212
X11121XXXX221212
