X1XX2211X1X1X122
X1X2X11111112122
X12X22112121X122
X1211X11X1X11122
X121221221212122
X122221X11111122
11XX121211111122
11X1121X1111X122
112XXX111111X122
11212111X1211122
1121211121X11122
21X1X21111X11122
21X22X1111112122
212XX21XX1X12122
212X11112121X122
2121X211X1X11122
2121111211112122
2122X212X121X122
2122X21221X1X122
