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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.

2237903 puzzles downloaded.

11           1       8  
1 4 9   2   6   11   10 5
        4   12   6      
    12         4 7 11 1  
      3 11 10           2
    4           10     9
6     1           10    
9           8 10 2      
  3 10 4 12         7    
      2   9   6        
12 1   10   4   7   6 9 3
  9       1           10
Showing puzzle number: 9018
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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