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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.

1058939 puzzles downloaded.

      1 4              
3   5     1         8 4
  11           8 3 10 2  
9         2 11       1  
          5     8 12 4 6
    7   3 4       5 9 11
10 6 9       5 4   8    
12 8 4 11     7          
  1       8 10         7
  9 2 12 6           3  
5 4         12     1   10
              5 6      
Showing puzzle number: 200
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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