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Sudoku puzzles (Su Doku)

My database includes 18732 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 6. 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.

176147 puzzles downloaded.

          3
1          
    5   1 6
6          
  6        
      4    
Showing puzzle number: 18453
Puzzletype: Optimal Sudoku
Startnumbers: 8
Difficulty: Super easy (0)
Solution methods: SiSo
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