[r-t] Plain Bob leadheads with 14 le

[Richard Johnston]

> "Please can someone produce, or point me at, a concise proof of this 
> lemma:
> PB1: In a palindromic treble-dominated method with Plain Bob leadheads,
> on an even number of bells, the lead end place notations must be 12 or 
> 1n.
> "
> 

Peter Scott:
> Proposition: in Minor there are five "Plain Bob Leadheads", one for each
> of the working bells.
> (Is anyone going to dispute that ?? OK read on:)
> 
> By counterexample to the lemma, consider this minor method: (palindromic
> treble-dominated method with Plain Bob leadheads)
> 
> 3456.1456.1256.1236.1234 hl=36 le=14
> 
> The method extends in the obvious manner to 8, 10, 12, ...
> 
> :-)

Eh? - this only has a single lead plain course

RHJ