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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.

2301965 puzzles downloaded.

3       12 2   10        
12 4     8       3      
    9 2   5         8 7
    4     6     1 8    
    2 9       3        
  3 1 11   4       7 9  
  10 8       11   6 2 1  
        3       11 9    
    6 5     4     12    
6 9         8   2 3    
      8       7     4 10
        1   12 2       11
Showing puzzle number: 3298
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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