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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.

2240697 puzzles downloaded.

  10   7 9 11   8        
5   4       6     9    
  6 11       2       5  
1   3 11         4 5 10  
  9     10 8         6 11
12           11          
          6           5
11 12         10 2     1  
  5 10 4         9 11   3
  3       1       2 9  
    9     5       1   6
        4   8 12 5   7  
Showing puzzle number: 388
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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