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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.

1735114 puzzles downloaded.

  7 11 1     2       10 12
3       12     1 2      
4                 3    
9 8 10     2     12 1   7
    4 2   12       8    
7     3 1     9        
        6     3 7     5
    5       4   6 12    
12   2 6     10     4 8 3
    7                 10
      11 4     12       2
8 4       10     5 9 3  
Showing puzzle number: 651
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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