1111112211111111
X1X1X122XX1XX121
21X1X122X1111X11
X12111X2111XXX12
1X112122X112X110
11XX11222X112110
X111XX22211X2122
21211X221X121111
111X2122111XXX22
X11121X22X111121
XXX1112211122X21
1X21X1221X1X1111
21XXX1X2X112X112
11212X22X111XX12
2XX111222111X112
