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Re:0h h1 – A little logic game by seanalltogether on Friday November 14, 2014 @03:40AM (#8606325)
Except that your puzzle has multiple solutions, so I'm guessing that's why it breaks the heuristics. The same would be true of a sudoku puzzle with too few starting numbers.

  O O X X O X
  X X O O X O
  O O X O X X
  O X X O O X
  X X O X O O
  X O O X X O
Re:0h h1 – A little logic game by bumbledraven on Friday November 14, 2014 @03:48AM (#8606338)
Your solution is not valid. The 3rd column and the last column are duplicates.