[r-t] Pitman's 13440 change compositions

[Graham John]

On 9 August 2017 at 13:09, Roddy Horton <roddy at horton.karoo.co.uk> wrote:

> There will be lots of courses that work
> but the trick, as Robin Woolley noted, is to find
> method where 1,7 and 8 are not in the same
> places with the same nature (+/-)

This is essentially how you find a course that is cps, which will then
be true to 59 other courses rung the same. The other thing worth
mentioning, as you can see in the Pitman's compositions, is that
palindromic courses will work well (If it is true forwards, it will be
true backwards).

Graham