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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.

2332440 puzzles downloaded.

          7     10     11
  8     11   1   7 9    
    3     8 5       12 4
                6 8    
4     9 5   8       11  
1         2 7 11 4 12 3  
  12 1 6 8 9 11         10
  5       10   4 3     9
    4 11                
12 10       1 4     5    
    9 4   5   8     7  
5     8     3          
Showing puzzle number: 10877
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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