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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.

1253951 puzzles downloaded.

      7 8 5     2 10    
    11   2       5      
2 8     10     3       11
  9 12 2         4     8
          9 10          
5 6       8 4   7 3    
    8 9   6 3       4 10
          1 2          
3     4         9 7 1  
10       6     12     7 2
      5       1   8    
    4 8     5 10 12      
Showing puzzle number: 3168
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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