111XX11X2122XX12
111XX1X1212X1212
111XX12X11222212
1X111X2111221212
1X11X1XXX122X112
12111X211122XX12
1211XX1221XX1212
1211XXX22X222112
121XXX21211X2212
1212XX1221221212
X11X2X112122X112
XX111X2121221X12
XX112X21X11X2212
XX1XX1X12122X112
X211X1X21122XX12
2X11X1XXX1X22X12
2X112X1121XXXX12
2X112X2111XX2212
22111X11211X1212
