[r-t] Composition search?

[John Harrison]

In article <5651c72d.93d91c0a.99bf.ffffc812 at mx.google.com>,
   Daniel Brady <danielw.brady at gmail.com> wrote:

> It means that at the end of any lead the 7 & 8 must be in one of these
> positions: 1*****78, 1****8*7, 1**8*7**, 18*7****, 178*****, 1*7*8***,
> 1***7*8*

... ie the coursing order must be:  (8)7xxxxx

-- 
John Harrison
Website http://jaharrison.me.uk