5,760 (5,056) Langley Surprise Major

Donald F Morrison (no. 4906)
 234567   B  M  W  H
 35264   (-
 63254          -
 647253      -) F
(426357)        In
 234756      3  In
 372546   -
 426357         F
 42356    -        -
Repeat twice.

Reduce to 5,056 by omitting parenthesized calls from any two parts.
Contains 15 56s, 12 each 8765s, 7568s, 5678s off the front, and 8765s off the front, and back rounds.
True to all BCDKacdfZ.

Rung at Langley Marsh on 15 February 2012, conducted by J Alan Ainsworth.