[r-t] Challenge to produce new method - Double Helix Royal

[John Camp]

At 21:59 on 01 January 2012, Admin at bellringers.org wrote:

> At 21:53 on 01 January 2012, Philip Earis wrote:

>> Great work Rob!  Your attachment seemed to get stripped out, so I've
>> reattached it to this message.

> It didn't make it.  I'll see if I can do it.  (It's basically too big.)

Didn't work.  I have uploaded it to
<http://www.bellringers.org/differential.pdf>

JEC