11211X11X1X1XX11
112X1X112X11XX11
112XXX11X111X211
X1211X112XX11X11
X121XX1121111211
X12XXX11XXX11211
1121XX1XXX111X11
1121XX1X2XX1X211
112X1X1X21X11211
X1211X1XXX11X211
X12X1X1XX1111X11
X12XXX1X21X1XX11
11211X12XX111211
11211X122111XX11
112X1X12XXX1XX11
112XXX1221X11X11
X121XX12X1X11211
X121XX12XX11XX11
X12X1X1221X1X211
X12XXX122X111211
