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Sudoku puzzles irregular (Su Doku)

My database includes 18345 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. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

2334971 puzzles downloaded.

                3
7   9         5  
            8 9 1
1   7   2        
                 
        4   5   8
6 9 3            
  1         9   6
4                
Showing puzzle number: 12875
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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