Talk:Bulls and cows: Difference between revisions
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::: This is the methodology that the REXX program (version 1) uses. -- [[User:Gerard Schildberger|Gerard Schildberger]] 22:53, 4 July 2012 (UTC)
==Form of target number==
The description says that the digits must be from the set 1 through 9, but [http://en.wikipedia.org/wiki/Bulls_and_cows Wikipedia] - and some of the solutions on this page - allow zeroes. Also, the description should probably specify whether or not repeated digits are allowed.
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