21X1111X1X221212
21XX111X1X221212
21X1211X1X221212
21XX211X1X221212
21X1121X1X221212
21XX121X1X221212
21X1221X1X221212
21XX221X1X221212
21X1111XXX221212
21XX111XXX221212
21X1211XXX221212
21XX211XXX221212
21X1121XXX221212
21XX121XXX221212
21X1221XXX221212
21XX221XXX221212
11X1211XX2121222
11X1211XX2221222
1121211XX2121222
1121211XX2221222
21X1211XX2121222
21X1211XX2221222
2121211XX2121222
2121211XX2221222
X1X112121X221112
211X221XX2211222
X12X2111XX221212
11X12X1X11221X22
21XX2211XX121212
X11X1212X2221122
2XX12211XX121212
X1212X1X12221222
