720 (576) Plain Bob Minor

2345   W  F  B  H
3245   s  s     s
2435   s  s
4325   s  s
3425   s  s     s
4235   s  s
2534  (s     a  s
5234   s  s     s
4523   s)    b  s
5423   s  s     s
3542   s     b  s
5342   s  s     s
2345   s         
a = sB/s3rds/sB/s3rds
b = s3rds/sB/s3rds/sB/s3rds

contains the maximum 42 ordinary singles shorten to 576 by omitted parenthesized singles and associated courses (32 singles) for 1296 call one 720 and one 576