gary@arizona.UUCP (02/19/84)
Guilty. Not of the murder, but of reasoning most foul. My earlier attempt at a solution contains a fatal flaw. To avoid my confession spoiling the problem for others, I have rotated the rest of this message. (My reasoning was based on an invariant that could not be maintained.) V gevrq gb cerfreir gur vainevnag ``Gur pragre vf orgjrra lbh naq gur NkrJvryqre''. V nffhzrq gung guvf vainevnag pbhyq or cerfreirq, ernfbavat gb zlfrys gung nal punatr va cbfvgvba bs gur NkrJvryqre pbhyq or pbhagrerq ol zbivat nybat gur irpgbe orgjrra gur NkrJvryqre naq gur pragre. V jnf fhssrevat sebz n irefvba bs Mrab'f Cnenqbk. Cnfg n pregnva cbvag, lbhe fcrrq vf vafhssvpvrag gb gur arrq. V jnf thvygl bs abg svavfuvat nyy gur cnegf bs zl ``cebbs''. Vs fbzrbar ryfr unq qbar gung, V jbhyq cebonoyl unir cbhaprq ba gur zvfgnxr, fb V gubhtug vg orfg gb pbasrff vzzrqvngryl. Tnel Yriva -- Gary Levin / Dept of CS / U of AZ / Tucson, AZ 85721 / (602) 621-4231