Oliver

“Yes, he remembered it well now: he had taken them all—and at the simple game of sixes and sevens, where the banker wins if he matches the number of coins the player holds in his fist; those Eight-City fools didn’t realize they tried to make their fists big when they held six golden coins and tightened them when they held seven. Yes,”
― Fritz Leiber, The Adventures of Fafhrd and the Gray Mouser Volume Two: Swords Against Wizardry, The Swords of Lankhmar, and Swords and Ice Magic