5,184 Cambridge Surprise Major

Donald F Morrison (no. 4562)
234567
52463   %.1.s1%.s2.s2%.3                                                                       (3 leads)
63425   %.s1.1%.2.2%.3                                                                         (3)
473256  1.s1%.2.2%.3.3%.s4.5.5%.6.6%.s7.s7%.s8.9.9%.s10.10%.s11.11%.s12.s13.13%.s14.s14%.15   (15)
543276  %.s1.s1%.s2.s2%.3                                                                      (3)
423657  %.1.1%.2.3                                                                             (3)
Repeat five times.

Contains all 24 each 56s and 65s, 21 each 5678s off the front and 6578s off the front, 12 each 8765s off the front and 8756s off the front, and back rounds.
Also contains 60 backstroke 87s, and three quarters of the 56 and 65s rollups come at handstroke.
Has a call at all 162 lead ends, and at 132 half-leads.