%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 10 10
1 1 scale
/singlepx {
    newpath
    5 5 moveto
    0 1 rlineto
    1 0 rlineto
    0 -1 rlineto
    closepath
    setrgbcolor
    fill
} def
0.666 0.0 0.666 singlepx
2 2 1 1 rectfill