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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.

1081803 puzzles downloaded.

  1 3       12   4 5    
5   8       10         11
7 10   12   9   2        
  8 2 7 10       5   12  
        4     9       8
        7 12 6 8   1    
    12   1 3 7 6        
11       9     4        
  9   8       10 2 3 6  
        8   9   3   5 10
8         6       12   1
    4 6   10       7 8  
Showing puzzle number: 2983
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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