Players 'invest' their money on which greyhound will win. The greyhound trap number cards are shuffled and the bookmaker takes out some cards. He then offers odds based on the knowledge that some greyhounds will have less cards than other ones. The players now bet. The race is simple. The bookmaker turns over a card and that greyhound moves one space. Then another one is turned and that greyhound (it could be the same one) moves one space. After 6 races, the player with the most money wins.

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