2X1X121221X12212
21111112X2X21112
211211X111X21112
X21X1X1211XX1212
X21111X2XX221X12
11121X21XX122212
111X112111122X12
12111X12XXX21212
X11X12X222212112
2X121X1121111112
121X1112XX122112
1X11122211X12X12
X21X1X2212122112
211211211X2X2212
X1121XX122X11X12
21121XX2X11X2X12
X11211X12X221212
1X111212222X2X12
1X121121X22X1212
1X1112X221111112
