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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.

2269156 puzzles downloaded.

6                      
  12 7 2       6   5 1 4
10         4       12 11 2
4         5     10   8  
    10 5   8 1   7   4  
1   11   9              
              3   9   12
  5   3   7 9   2 10    
  9   4     8         5
3 1 6       10         7
2 7 8   5       12 6 10  
                      11
Showing puzzle number: 6219
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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