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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.

2330971 puzzles downloaded.

  8 11   4         3   7
12     10 8   7         11
2 7       6   3        
4     3   9       10    
      6 7 1 8          
      9       5 4     12
11     12 1       9      
          8 10 11 7      
    7       2   10     5
        5   6       2 1
8         3   10 12     9
6   4         7   8 10  
Showing puzzle number: 1802
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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