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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.

2191116 puzzles downloaded.

    5       10 2   7    
  7     3 12 5   8      
    2 8         3 4   5
      10 2             1
4 2         6 3       10
7 12         4       9 8
2 8       4         1 7
3       1 10         5 9
10             7 11      
5   3 2         1 11    
      4   3 12 8     7  
    7   11 5       9    
Showing puzzle number: 3755
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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