What was the code?
A thief enters a shop and threatens the clerk, forcing him to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code”. But the thief manages to guess the code on his own. How did he do it?
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The code is “different.” The clerk told him this.
Take from the pack the thirteen cards forming the suit of diamonds and arrange them in this order face downwards with the 3 at the top and 5 at the bottom: 3, 8, 7, Ace, Queen, 6, 4, 2, Jack, King, 10, 9, 5. Now play them out in a row on the table in this way. As you...