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Enough is enough (Posted on 2010-01-29) Difficulty: 3 of 5
In a 9*9 SUDOKU game what is the minimal number of digits guaranteeing a unique solution?

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
Some ThoughtsPuzzle ThoughtsK Sengupta2024-03-13 12:37:39
ProofSteve Herman2017-05-23 20:45:29
SolutionSmallest known number of cluesBrian Smith2010-01-29 16:31:27
SolutionIf its the second option (spoiler)Jer2010-01-29 15:45:34
Need clarification.Jer2010-01-29 15:36:31
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