Notes
A bob course has each in-couse combination of the front five bells once at hand and once at back. See https://wiki.changeringing.co.uk/Compositions_of_the_Decade_2000-2009_-_4_-_Triples
Created on
Sun 04-Jul-21 14:54 by Andrew Johnson
Modified on
Sun 04-Jul-21 17:11 by Andrew Johnson