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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.

1373708 puzzles downloaded.

3   6               1 7
11     12       10 4 2    
    10 1       9     3  
6             12       8
  8 1 2   5 11         3
12 9 11   2 10 3   5      
      4   6 9 5   1 11 10
5         2 1   7 9 12  
9       11             2
  10     5       9 4    
    9 11 7       8     12
7 5               3   11
Showing puzzle number: 1444
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Super easy (0)
Solution methods: SiSo
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