here's another overly tight range that still comes out to a very thin call:

Text results appended to pokerstove.txt
27,090 games 0.005 secs 5,418,000 games/sec
Board: 7s 8s Kd
Dead:
equity win tie pots won pots tied
Hand 0: 20.997% 21.00% 00.00% 5688 0.00 { KsJs }
Hand 1: 30.177% 30.18% 00.00% 8175 0.00 { 88-77, AsQs, AsJs, AsTs }
Hand 2: 48.826% 48.83% 00.00% 13227 0.00 { 88-77 }

of course if we truly assigned bb's range to 77-88 then we would fold to the first raise.