[r-t] 3-cycle leadheads

[Mark Davies]

Philip writes,

> Umm, I think I'm missing something - which 3 leadheads appear are plain
> bob type (ie "regular")? Or else what do you mean by "leadheads from the
> Plain Bob course"?

Hmm, yes, difficult to spot in that example, because it's a totally 
different course to PB! Sorry. How about this one:

   234567890
   602753948
   586370429
   795038264

etc.

MBD