2,016 Yorkshire Surprise Maximus

Brian E Whiting
23456   w  B  m  H
45263      x  s
26435      x  s
36254   s  x     -
56342   s  x     -
23456     3x      
x=18. Lower case letters indicate half-lead equivalent calls.

Also true to Cambridge Surprise Maximus, with half-lead singles made in 78.