You should not forget the (now known) bug in povray:
If you apply a material block to each component of a CSG, povray will
(wrongly) report that there's no pigment type given.
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
