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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.

    4 5   12   11 6   3 2
      9   4 8          
11     12 2 5   7     10  
          9         6  
    6 1         5   4  
  5   10 7   4       11 8
12 4       11   10 7   1  
  6   8         9 12    
  1         12          
  10     5   11 4 12     1
          8 2   10      
5 7   11 3   10   2 6    
Showing puzzle number: 7573
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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