[r-t] An easy challenge

[Graham John]

On Mon, 8 Jul 2019 at 10:22, Roddy Horton <roddy at horton.karoo.co.uk> wrote:
> 6 bell composition is not my field and I have been asked to come up with a 720 or 1440 of the following treble bob but non palindromic method.
> x36x16x12x16x12x16x12x16x12x16x34x16  = 142563
> Can anyone help please?

This is far from an easy challenge! It is straightforward to get a
2880 with 4 extents - any calling that has all 120 possible leadheads
will do it, such as this:
https://complib.org/composition/40288?substitutedmethodid=36085&methodaccesskey=15d3e1bf5be8039e4caeaa417910d5a946c0d3cd

But a shorter length that is true will require a hand-crafted solution.

Graham