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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.

2311290 puzzles downloaded.

    3 9       2 7      
5             12 4   10 3
4         7 5 3   6 1 11
8   2     3     10   12  
  10       2 9          
3 9   7     10 6        
        9 10     8   11 2
          8 11       6  
  4   8     2     10   5
1 8 4   7 11 3         12
7 5   11 2             6
      12 5       11 7    
Showing puzzle number: 9006
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Very easy (0)
Solution methods: SiSo SC
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