X11XXX21X11X1211
XX12X22XX11X1211
X11XXX212X111X11
XX12X22X2X111X11
X11XXX2112121111
XX12X22X12121111
21XX1XX1X11X1211
2XX212XXX11X1211
21XX1XX12X111X11
2XX212XX2X111X11
21XX1XX112121111
2XX212XX12121111
112X2X11X11X1211
1X22221XX11X1211
112X2X112X111X11
1X22221X2X111X11
112X2X1112121111
1X22221X12121111
11X2122221121XM1
21X212112XX22112
