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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.

1386623 puzzles downloaded.

    8       2       5 10
            1 3   7   11
5 7 6       12   8     2
  11     6   4   3      
7 10 2     12            
    12 6 11   10 9 7     1
10     9 7 4   12 6 2    
            3     12 9 7
      8   9   11     10  
8     1   10       11 12 6
9   5   3 8            
11 6       2       8    
Showing puzzle number: 10778
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Super easy (0)
Solution methods: SiSo
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