5,088 Osmium Surprise Major

Donald F Morrison (no. 4197)
234567  M         W  H
723546     In,V
635427  s   V,V   s  -
34265   2         -  s
247365  -    a
423567    Before    s 
Repeat twice. Fourth place calls.
a = B,F,B,F,B.

Contains all 24 each 56s, 65s, 8765s and 5678s off the front, 21 8765s off the front, 18 6578s off the front, 12 each 7568s and 8756s off the front, 408 combinations of 5-6-7-8 in 1234, tittums and back rounds.
Also true to Cerium and Vesuvius.

Rung at West Bridgford on 16 July 2013, conducted by Ian Butters.
Rung to Cerium at Dordrecht on 19 September 2016, conducted by Christopher P Turner.