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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.

1894649 puzzles downloaded.

10   4 8   7   12 1   6  
  1         9       7  
7     9   1 10   12     5
    9   3   12   7     4
2   3           11      
              8     12  
  4     7              
      1           11   12
12     10   8   2   1    
8     4   5 7   6     2
  10       11         1  
  7   11 2   4   5 8   9
Showing puzzle number: 1305
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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