[r-t] Diamond Delight Major

[Graham John]

MBD wrote:

> In PB methods, under what conditions of
> falseness are 56 singles likely to be useful?

As well as those Don mentioned, 1256 singles are
used to join the 12 courses with the 6th in 6ths
+ve with the 12 courses with the 6th in 5ths -ve.
These 24 courses are true to BGHILMORSbcdf,
although not D, so they don't work for Diamond Delight.

Graham