5,184 Thorncombe Surprise Major

Donald F Morrison (no. 3285)
234567  M   B   V  W  H
726453  1   a
432765  1  In,B
364527      -   2
45236       b         2
34256              1   
Repeat twice.
a = In,F,n,F; b = F,In,F,In.

Contains all 24 each 56s, 5678s off the front, 6578s off the front, 8765s off the front and 8756s off the front, 12 each 8765s, 8756s and 7658s, 9 7568s, and back rounds.
Also true to Bristol and Double Dublin.