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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.

2306420 puzzles downloaded.

  9   2 12              
  1   6       7   8 3  
      5   8 3   2 9    
1 7       12   3 4   6  
6   5       7          
8       5     11        
        11     9       5
          4       6   1
  11   12 7   1       8 2
    4 1   9 10   6      
  6 12   1       11   4  
              5 10   12  
Showing puzzle number: 6044
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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