[r-t] Doubles Principles

[H C Pumphrey]

Mark Davies wrote:

> How about [3.1.5.3.5.3.5.1.3.5] pretty easy to get a 120 from that, with 
> bob = 125 and single = 145...

Hmmm, yes. But there are no plain leads, so it is actually made only of plain 
and bob leads of New Bob. I suspect that many of the possible 120s of 10-row 
principles are like this.


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