X1X1X1X21X212211
X1X11XX2112X2211
X1X11XX21121X211
X1X11X2211X12211
X111X1221X2XX211
X1111XX21X212211
11X1XXX21X2XX211
11X1XXX211X12211
11X1XX221XX12211
11X1XX221X212211
11X1XX22112XX211
11X1XX22112X2211
11X1X1X211X12211
11X1X1221X2XX211
11X11X221X21X211
1111XXX211212211
1111XX221X212211
1111X1221XX12211
