1X11111XX1111X12
XX11111XX1111X12
1X11111XX1X1X212
XX11111XX1X1X212
1X111112XX11X212
XX111112XX11X212
1X111112XXX11X12
XX111112XXX11X12
1X21111XXX11XX12
XX21111XXX11XX12
1X21111XXXX11212
XX21111XXXX11212
1X211112X1111212
XX211112X1111212
1X211112X1X1XX12
XX211112X1X1XX12
1211111XXX111212
X211111XXX111212
1211111XXXX1XX12
X211111XXXX1XX12
12111112X111XX12
X2111112X111XX12
12111112X1X11212
X2111112X1X11212
1221111XX111X212
X221111XX111X212
1221111XX1X11X12
X221111XX1X11X12
12211112XX111X12
X2211112XX111X12
12211112XXX1X212
X2211112XXX1X212
