X1211121XXX11111
X121X1X121X11111
XX2111X1XX21XX11
212111X1XXX11111
2121X1212121XX11
2X21X12121X11111
2X21X1212121XX11
212X21X1X1XXX102
212111121XXX110M
XX21X12X12X21X22
X2211122X111110M
XX21112X11122122
