21XX111XXX21212M
21XX11XX2221212M
21X21112X221212M
21X211X22X21212M
212X11122X21212M
212X11X2X221212M
2122111X2221212M
212211XXXX21212M
21XX1X122221212M
21XX1XX2XX21212M
21X21X1X2X21212M
21X21XXXX221212M
212X1X1XX221212M
212X1XXX2X21212M
21221X12XX21212M
21221XX22221212M
21XX12122221212M
21XX12X2XX21212M
21X2121X2X21212M
21X212XXX221212M
212X121XX221212M
212X12XX2X21212M
21221212XX21212M
212212X22221212M
