21X1X111XX1211MM
21X121112X1111MM
21X111X1XX1X11MM
21X121X11X1211MM
21X111X12XX111MM
21X1X1112XXX11MM
21XX2111XX1X11MM
21XXX1111X1211MM
21X121111XX211MM
21XXX1X12X1111MM
21X121212X1111MM
21X12121XX1X11MM
21X111X11X1211MM
21X1X1211XX211MM
21XX11X1XX1X11MM
21XX21X12X1211MM
