[r-t] New doubles extents
holroyd at math.ubc.ca
Wed Oct 7 17:45:03 UTC 2009
On Wed, 7 Oct 2009, Richard Smith wrote:
> Something similar appears not to work in Carter because all three possible
> double changes appear in both 'slots', and there is no single change which
> contains places in 1, 3 and 5.
However, the Cramboing trick does work on Carter, and indeed on any
in-course 60, as Robert Johnson proved a while back.
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