21X2112112111120
212211XX12111120
212211X11211X120
21X211XX1211X120
2XX211X112111120
2XX2112112111120
2X22112X1211X120
212X11XX1X111120
2X11112X1X1111M0
2212111112221120
2X211XX1111121M0
2XX111121X1X2120
