1X21X12X21111X11
1221112111XXX111
1221X1112121X111
X1X1X1X11X21X211
1111211X21X11111
1X112111X211XX11
X12111111221X211
1X21211XX2112111
12X121111X112X11
X22111X112211111
1XX111XXX21XX111
X121212X1X121211
X2211111X1122X11
X121111X2XXX1211
1111111X12221211
X121X121211X1X11
1XX12111111X2111
11X1X12X2XX11111
121111X112121X11
1121X1XXXXX22111
