XX1X111X2X21X122
111X111X12222X22
211X1X221122X122
X112122X2XX1X122
X11X1XX2XX211122
XXX21X122X21X122
2XXX12222121X122
11X21X1212222X22
X11X1X11X1X12222
1X1X1112X2212222
