/usr/local/bin/pnmcat -lr topleft.pnm above.pnm topsliver.pnm above.pnm topsliver.pnm above.pnm topsliver.pnm above.pnm topsliver.pnm above.pnm topsliver.pnm above.pnm topsliver.pnm above.pnm topsliver.pnm topright.pnm > temp/racktop.pnm
/usr/local/bin/pnmcat -lr left.pnm rack/A.pnm midsliver.pnm rack/A.pnm midsliver.pnm rack/A.pnm midsliver.pnm rack/A.pnm midsliver.pnm rack/A.pnm midsliver.pnm RackBlank.pnm midsliver.pnm tilespace.pnm midsliver.pnm right.pnm > temp/rackmid.pnm
/usr/local/bin/pnmcat -lr botleft.pnm below.pnm botsliver.pnm below.pnm botsliver.pnm below.pnm botsliver.pnm below.pnm botsliver.pnm below.pnm botsliver.pnm below.pnm botsliver.pnm below.pnm botsliver.pnm botright.pnm > temp/rackbot.pnm
/usr/local/bin/pnmcat -tb temp/racktop.pnm temp/rackmid.pnm temp/rackbot.pnm > temp/rack.pnm

/usr/local/bin/ppmquant -floyd 256 < temp/rack.pnm | /usr/local/bin/ppmtogif > temp/rack.gif