5,040 Spliced Surprise Royal (3 methods)

Robert D S Brown
23456    M  W  H  Methods    
43652    -        NNNN.NNNNN
53264    -  s     CCCC.C.CCCC
62435    -  -     NNNN.N.NNNN
36425       -     CCCCC.CCCC
42365       -  -  YYYYY.YYYY.
34265          -  YYYYYYYYY.
23465          -  YYYYYYYYY. 
2 part.

Contains 2160 Yorkshire, 1440 Cambridge, Lincolnshire(N), with 9 changes of method, all the work. Alternatively the sixth course in each part may be replaced by calling NNNCCCYYY.