[r-t] 8-spliced touch

[Philip Earis]

> Right, I've finally got round to finishing this. All touches are in
> the format of method/call pairs (p=plain, -= bob, s=single), length, truth,
> score.

Thanks Martin, good work.  I think this one is relatively neat:

> rpspnpypl-cpp-bss 258 true 43 ppnprpypssb-lpcpc 258 true 43

Would you be able to do a 9- and possibly 10- lead search also (including
those coming round at both handstroke and backstroke snaps)? Presumably
this search would be quite a bit more complex.