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Loads of codes and secret ciphers
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Discusses and provides practice in making and breaking codes and ciphers, as well as in building simple coding devices to transmit secret messages.
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Discusses and provides practice in making and breaking codes and ciphers, as well as in building simple coding devices to transmit secret messages.
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"Discusses and provides practice in making and breaking codes and ciphers, as well as in building simple coding devices to transmit secret messages."
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