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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.

2267540 puzzles downloaded.

  1   10     2 3     6 4
    5       8   10      
6           10       3 7
8   7         1 2      
      2   5 11     7 9 3
1   3 6       10        
        1       3 11   5
10 7 8     11 6   12      
      11 12         8   1
11 8       7           2
      9   4       3    
5 2     10 9     4   12  
Showing puzzle number: 6370
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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