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Sudoku puzzles (Su Doku)

My database includes 17735 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 9. The grey boxes is even numbers and the white boxes is odd. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

373861 puzzles downloaded.

    6           1
  9              
2       4 3      
      4       3 9
  8           6  
          5      
                 
                 
1     9          
Showing puzzle number: 16590
Puzzletype: Optimal Sudoku
Startnumbers: 14
Difficulty: Very easy (0)
Solution methods: SiSo SC
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