1X11X1XXX21X1121
1X11X1XXX21X2X21
1X11X12X121X1X21
1XX1X1XX121X1X21
1XX1X12X121X2121
1XX1X12XX21X1X21
1211X1XX121X2121
1211X1XXX21X1X21
1211X12XX21X2121
12X1X1XXX21X2121
12X1X12X121X1121
12X1X12X121X2X21
1X11X1X11X121121
1X11X1X12X122121
1X11XX111X122121
1X12X1111X122121
1X12XX112X121121
1X12XXX11X122121
XX11X1112X121121
XX11X1X11X122121
XX11XXX12X121121
XX12X1X12X121121
XX12XX111X121121
XX12XX112X122121
111X112122112121
111X112222122X21
2XXX1X2122112121
2XXX1X2222122X21
2X1X112222112121
2X1X112122122X21
11XX1X2222112121
11XX1X2122122X21
21XX112122122121
21XX112222112X21
1X1X1X2122122121
1X1X1X2222112X21
211X1X2122112X21
211X1X2222122121
1XXX112122112X21
1XXX112222122121
