5,088 Benson Surprise Major

Donald F Morrison (no. 5997)
234567  M     B     W   H
745263      sB,sF
234657  1    sT
26354   1  In,B,sV  1
54632     In,B,V,V
54326         -         1
42356   1     -          
Repeat twice.

Contains all 24 each 56s and 8765s, 18 each 5678s off the front, 6578s off the front, 8765s off the front and 8756s off the front, 12 65s, and back rounds, with no backstroke 87s.
Also true to Aberhonddu, Brynbuga, Caerfyrddin, Cantium, Ictis Insula, Kingswood, Llanfeugan, Mark, May, Rustat, Woodgett and Yosemite.