[r-t] Extent of Double Grandsire Doubles

[David Sullivan]

James R:
>Is it possible to get a single extent (i.e. 120 true changes) of Double
>Grandsire Doubles using only standard Grandsire calls? If not, is there a
>120 which almost meets the criteria e.g. has only 2 special lead-end calls?
>(Someone asked on a Facebook group and I'm now interested to know myself.)

IIRC it’s only possible with Omit calls, i.e. omit thirds place, which I suppose makes it spliced Double Grandsire and/or Reverse Grandsire/Grandsire.

Dave

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