11112121221221M2
X11XX12XX2122121
11X121X111211X2M
XX211112XX121222
1111212XX2122121
1111212111211X2M
11112122XX121222
X11XX121221221M2
X11XX12111211X2M
X11XX122XX121222
11X121X1221221M2
21X121XXX2122121
11X121X2XX121222
XX211111221221M2
XX21111XX2122121
XX21111111211X2M
