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Old 05-31-2013, 01:20 AM
zenobia43 zenobia43 is offline
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Join Date: Mar 2012
Posts: 105
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Here is another example where I found that the ordering clues made the difference between a pure logic solution and a what-if approach.

In the puzzle below, I needed a substitution before I could use clues 6 and 8 to get the key exclusion: Upton is not parakeet.

puzzle.png

Last edited by zenobia43; 06-01-2013 at 01:31 PM.
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