X11111111X111121
21111111X211X121
X11111111X112121
21X21121XX111121
X1X211211211X121
21X21121XX112121
X12X1121X2111121
212X11211X11X121
X12X1121X2112121
212211X112111121
X12211X1XX11X121
212211X112112121
2X11112112111121
XX111121XX11X121
2X11112112112121
XX121111X2111121
2X1211111X11X121
XX121111X2112121
XXXX11X11X111121
2XXX11X1X211X121
XXXX11X11X112121
2X211111XX111121
XX2111111211X121
2X211111XX112121
221X11X1XX111121
X21X11X11211X121
221X11X1XX112121
X2X111X1X2111121
22X111X11X11X121
X2X111X1X2112121
22XX111112111121
X2XX1111XX11X121
22XX111112112121
X22211211X111121
22221121X211X121
X22211211X112121
