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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.

2269147 puzzles downloaded.

5               9 4   7
1       8 9 4   3     10
    3   6     10     8  
    11   4       12 6 3 1
  5       7   12        
                  8 5 2
11 3 2                  
        3   5       1  
7 8 1 4       9   11    
  4     5     3   1    
12     11   6 9 1       8
2   8 3               11
Showing puzzle number: 6292
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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