2X1X2111X2X11122
X1121X122XXX1122
111XXX1X1X221122
1X1121122X21X122
2111XX12X11XX122
211X111X2212X122
2X12211X1X1X2122
1112X111X22X2122
XX1X1112X1222122
211X2112112X1X22
XX11211X21121X22
X1122112X211XX22
2111111XXX212X22
111X21112XX22X22
1X1XX112221X1222
2112X11XX1X21222
