XX11122111122212
1X21122111122212
1X12122111122212
1X11X22111122212
1X1111221111X112
1X11122111122212
1XX1112111XX2X11
1211212112X12X11
1X11112111X21X11
1XX1112112X21X11
1XX1212111X22211
1211112112X12211
12X1212111X11211
