X1X1X2111111X111
X1X1X211X11X2111
212XX21X1111X111
212XX21XX11X2111
2121X211X111X111
2121X211111X2111
X1XXX21XX111X111
X1XXX21X111X2111
21XXX211111XX111
21XXX211X1112111
X121X21X111XX111
X121X21XX1112111
21X1X21X11112111
21X1X21XX11XX111
X12XX21111112111
X12XX211X11XX111
1X1222111XX2120M
11X2121XX11221M1
1X12X21122122X22
212222XX2X1X1220
