21XX1122X2X11111
2X1211XX22X11111
2X2X11X12X211111
2XX2112X1X111X11
X1XX11X1X2111X11
X11211X12XX11X11
X21X112112X11X11
2222112XX2X11X11
X12211X21X211X11
XXX2111112X11211
X11X112X1X211211
XX2X11XXX2211211
