South (dealer): Spades KQ3, Hearts 87643, Diamonds JT75, Clubs 4.
West: Spades 52, Hearts KT, Diamonds AKQ8, Clubs K6532
North: Spades AT94, Hearts AQ95, Diamonds 3, Clubs AJT9
East: Spades J876, Hearts J2, Diamonds 9642, Clubs Q87
At our table South passed, West bid one club, which was followed by three passes. After playing the hand we noticed that at most tables the hand had been played by N-S in a hearts contract, but we could not work out how N-S could enter the bidding. Any thoughts?