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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.

1575330 puzzles downloaded.

        5       8 6   4
  1 4   12     3   7 10  
          4     3      
2 5       1   12       11
  8 11 4     10   7 5    
3             5   10    
    12   2             10
    9 2   12     11 3 7  
4       10   3       6 9
      5     7          
  7 10   3     8   1 2  
12   2 6       10        
Showing puzzle number: 1189
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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