5,120 Double Norwich Court Bob Major

Robert T Kakuk
23456   I  V  H  O
34526   -        s
35426   3        s
56423   -  -  1
26453   s  3
53462   s  -  1
23465      s     3
4 part, calling 3 as sbb in alternate parts.

Contains 80 combination rollups, 24 56s, 24 65s at the back, and 16 8765s at the front, with Tittums.