Hey! I think you were looking for that stuff, just take a look, I guess I've found it at last http://lex.stephenlechner.com/a5a4 See you around, Alan Payen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ringingworld.co.uk/pipermail/ringing-theory/attachments/20170111/6ccc829f/attachment.html>