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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.

1026465 puzzles downloaded.

10 4   6 1     12   8 5  
  8     5         7   2
  11         4          
  10       6 12   2      
    9     11       1 12  
      11   9         10 3
3 6         1   11      
  1 2       6     12    
      4   8 2       1  
          12         9  
2   1         9     3  
  12 3   6     7 4   2 8
Showing puzzle number: 4196
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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