[r-t] method help

[Robin Woolley]

It would appear that the following are the only Gp. B methods true to 
Alan's comp:

-58-14-58-1238-1478-3458-1456-38 ccccffXX
(Air) -58-14.58-58.36-14-1238-1456-38 ccccccXX
-58-1458-58-36-14-1238-1456-38 ccccccXX
-58-145678-58-36-14-58-14-18 cccccccc
58-58.14-58-36-14-1238-1456-38 ccccccXX

Best wishes
R