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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.

1417617 puzzles downloaded.

              6       8
7 3   1 11   10 4   12 2  
        3 9     7      
5 1       10 6   8 11   2
11           9     6   4
                1 9 7 10
8 11 7 10                
4   5     1           9
12   1 6   5 4       8 7
      7     12 10        
  5 11   7 2   3 10   12 1
10       6              
Showing puzzle number: 8454
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Super easy (0)
Solution methods: SiSo
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