5,184 (5,040) Spliced Surprise Maximus (4 methods)

Donald F Morrison (no. 1354)
23456  M  W  H  Methods      
52436     -     BBCB.L
56234  2     -  YCYB.CBYB.LC.
43265  -  - [-] L.Y.L.       
Repeat five times, omitting [-] from alternate parts.

Contains 1,728 Bristol and 1,152 each Barford (L), Cambridge and Yorkshire, with 101 changes of method.
Reduce to 5,040 by calling the first two courses of any one part LC.L YCYB.CLL.LC. Contains 1,488 Bristol, 1,296 Barford (L), 1,152 Cambridge and 1,104 Yorkshire, with 96 changes of method.
Superlative may be rung for Yorkshire throughout.
Newgate or Londinium may be rung for Barford throughout.