212X1X112111X111
XX21X21XXX111111
2X2X2X11XX111111
X121X21X2111X111
XX22X211XX111X11
X12X2X122111X111
2X22121X1X111111
2121XX12X211XX11
XX2X1211X2112111
X122XX1212111X11
2X21X21XX111X211
21221X122X111111
XX2XX21X12111X11
X1222X12XX11X211
X22X1X121211XX11
2121X21X2X111111
