1111XX2X1X12X121
111X2XXX1X12X121
1X112XXX1X122121
1X112X2X2X12X121
1X1XXXXX2X12X121
1X1XXX2X1X122121
X1112XXX2112X121
X1112X2X11122121
X11XXXXX11122121
X11XXX2X2112X121
XX11XX2X21122121
XX1X2XXX21122121
2111XXXX22122121
211X2X2X22122121
2X11XXXX1212X121
2X1X2X2X1212X121
1X1211X1X112XX21
111X21X2X12X1122
