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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.

1697001 puzzles downloaded.

  5   12     4       2  
11   8 3       10        
              6   10   8
      1 6   9         2
  12         5     6 8 11
  6   10 3 2   12     9  
  3     5   12 9 1   4  
8 4 5     11         6  
1         3   2 9      
2   9   10              
        9       6 11   1
  1       4     5   10  
Showing puzzle number: 4178
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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