1X11X12X111XXX11
1X11X122111X1211
1X1XX121111X1X11
1X1XX122111XX111
1X12X121111XX211
1X12X12X111X1111
XX11X121111X1111
XX11X122111XX211
XX1XX121111XXX11
XX1XX12X111X1211
XX12X12X111XX111
XX12X122111X1X11
2X11X121111XX111
2X11X12X111X1X11
2X1XX12X111XX211
2X1XX122111X1111
2X12X121111X1211
2X12X122111XXX11
