X12XX21112X12111
X12X1X1X12111111
X12X1X1211111111
X12X12122XX11111
X1211X12X211X111
X1211212X2X12111
X122X21112X1X111
X122X2112X11X111
X122X212X2112111
X1221X11X2X12111
X122121221X11111
212XXX1XXXX12111
212XXX1X21112111
212XXX1211111111
212X121XX1X11111
2121XX1XX1X1X111
2121XX1X2X11X111
2121XX12X1112111
21211X111XX12111
2121121X21X11111
212112121XX1X111
2122X21122112111
212212111111X111
212212112XX11111
