BellBoard

2000 Yorkshire; and 1000 each of Bristol, Cambridge and Lincolnshire.
M  h  W   (42536)
--------
-  -  -   (36254)
   3* -   (53264)
   3  -   (65234)
   2      (52634)
--------
Repeat twice, omitting 3* in the first part

Snap start, with each course called BYCNY.  
"h" represents a call made at the half-lead in the second lead of Y.