5,184 Broadclyst Surprise Major

23456  M  B  W  H
32564     -     s
62453     a  1  2
25634     -
53246  2  b     1
34256        2   
Repeat twice.
a = I,B,sV; b = sT,sB,V,V.

Contains 21 56s, 9 each 65s, 5678s off the front and 6578s off the
front, and back rounds.