[r-t] Easter Challenge
pje24 at cantab.net
Mon Apr 13 20:19:07 UTC 2009
"I have attempted to find a set of rules for doubles that will give the
extent in the plain course..."
I'm still not sure how this differs from what I said before. To phrase a
related question, is it possible to generate an extent of doubles with just
three changes (eg 1, 5 and 145?) If not, why not?
Doubles is really an interesting area. I'm tempted to write something for
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