1X211111X1X11111
X22XXX112XX11111
X22X1111X12XXX11
1X21XX112X2XXX11
XX21XX11X12X1111
122X11112X2X1111
122XXX11X1X1XX11
XX2111112XX1XX11
1221X1112121X111
XX2X1X11XX21X111
11222111121X1111
11222111X21X1111
