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Following several bets, four friends won 240 million francs. They placed everything in a safe at the bank, locked with four different keys, each of which has one. Unfortunately, three of his... Read allFollowing several bets, four friends won 240 million francs. They placed everything in a safe at the bank, locked with four different keys, each of which has one. Unfortunately, three of his friends died.Following several bets, four friends won 240 million francs. They placed everything in a safe at the bank, locked with four different keys, each of which has one. Unfortunately, three of his friends died.