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Sudoku puzzles (Su Doku)

My database includes 10934 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x4 box contains the digits 1 through 12. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

1146685 puzzles downloaded.

  7           4 1 5 8  
4 8 5     9           7
    9 3           10    
      5       1 7     3
11   3 7 5     6        
          4 3   2     11
9     11   3 5          
        11     10 9 6   5
3     8 1       11      
    11           8 4    
5           10     3 2 12
  6 2 1 8           9  
Showing puzzle number: 5848
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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