[r-t] Easter Challenge

Glenn Taylor gaataylor at blueyonder.co.uk
Tue Apr 14 09:33:21 UTC 2009

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?

Not what you're looking for but it *can* be done with Reverse Bob Doubles.


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