/aw_ParaMat{/sph exch def/spw exch def 8{256. div 8 1 roll}repeat/uly exch
def/ulx exch def/ury exch def/urx exch def/lry exch def/lrx exch def/lly
exch def/llx exch def[lrx llx sub spw div lry lly sub spw div ulx llx sub
sph div uly lly sub sph div llx lly]concat}bind def/PAR{aw_ParaMat}def
