5,088 Mercury Surprise Major

Donald F Morrison (no. 3435)
23456  M    B    W   H
24356                s
45263       -        ss
63524       2        ss
32645       -        4
23564  s   F,In  s   s
Repeat twice. Fourth place calls.
4 = - s - s.

Contains 126 combination rollups including all 24 56s and 18 65s, 15 8765s off the front, and back rounds, and is all the work.
Also true to Bar Hill Surprise, Boddington Surprise, Corley Surprise, Cornwall Surprise, Easthampstead Surprise, Farthest Canal Surprise, Grayshott Surprise, High Ham Surprise, Kenninghall Surprise, Kurchatovium Surprise, Meerut Surprise, Nearest Canal Surprise, Newton Nottage Surprise, Ouse Surprise, Quark Surprise, Riley Green Surprise, Selhurst Surprise, Walkden Surprise, Xavier Surprise and Dashwood Delight.