Spotted a suspicious thing in the documentation (section 9.20):

"The output values are a greyscale representation of the pixel colors using
the formula Red*0.3+Green*0.11+Blue*0.59"

  This must be a mistake either in the documentation (no big deal) or in
the program (a very big deal).

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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