1X11X11212X12210
1111X1X221X1X210
111XX1X212X1X210
1X1XX112X1X12210
1112X1X2XXX1X210
1X12X1122XX12210
X111X1X2X2X1X210
XX11X11221X12210
XX1XX1121XX12210
X11XX1X22XX1X210
X112X1X211X1X210
XX12X112X2X12210
2111X1X21XX1X210
2X11X112XXX12210
211XX1X2X1X1X210
2X1XX11222X12210
2X12X11211X12210
2112X1X222X1X210
