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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.

2333808 puzzles downloaded.

    1       3     11    
  12 5 4     6 7     1 2
11 7   8 1     5        
            12     4   9
  8       7 4     2   10
9   10       2       11 12
1 5       6       9   3
3   8     11 5       7  
4   12     1            
        9     6 12   5 7
12 11     2 3     9 10 4  
    9     12       8    
Showing puzzle number: 6474
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Super easy (0)
Solution methods: SiSo
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