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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     7         8 3  
        10 9   2 4 7    
  12   9       5        
      8   10 5 7   9   2
          11       10    
  9   6       4 12     7
8     1 11       5   4  
    12       1          
5   6   4 7 2   11      
        5       3   8  
    2 5 12   7 3        
  10 1         9     2  
Showing puzzle number: 5130
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Very easy (0)
Solution methods: SiSo SC
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