Problem solving Puzzle with no positive clue

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Problem solving Puzzle with no positive clue

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02-05-2012, 03:06 AM

bugman

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Join Date: Jul 2009

Location: Oceanside, CA or Aguadulce, Panama

Posts: 4

Problem solving Puzzle with no positive clue

I encountered a puzzle with all "nots" and no "is's" This left a grid with red x's but not enough on any rank or file to put in a green. What is the strategy to solve such a case without guessing? I redid the grid 10 times thinking I made a mistake and ended up having to make a guess.

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