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

[Mark Davies]

Hayden writes,

> Have you tried  the 'make link' button at the bottom of the method
> printer page at Boojum.org.uk?

Good point:

http://www.boojum.org.uk/cgi-bin/line.pl?bells=10&pn=%2650.16X38X10X10X10X30X70X10X10.36.10.36.10.36X38.14X10X30X18X18X10X50X14X18X30X30.14.58.10X10X30X18X18.70.38X38.14.30X30X18X10X10.36.70.18X18X30X70X16X10X30X30X18X10X70.38X58.10.58.10.58.10X10X14X18X10X10X10X38X50.16.70%2C%2014&title=Rob's%203%20and%207%20of%2010&lines=1&line=2&line1=b&line1c=red&line1w=1%2F4%20pt&line2=b&line2b=4&style=1&title-size=10&place-bells=4&place-bellsx=on&layout=1&total-X=7&total-Xx=leads&fine=1&action.x=1

MBD