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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.

2225536 puzzles downloaded.

        5 6         3  
  12 2   7     11 5   9  
    4 7 9     12       10
      1   9   2        
  8 5 10               1
12   3 11     10   9      
      9   4     11 6   2
7               8 12 1  
        6   5   7      
8       10     3 4 5    
  1   3 4     6   9 10  
  10         11 9        
Showing puzzle number: 5347
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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