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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.

1260936 puzzles downloaded.

7               3      
  6       10   1 11     4
  11   1 6         12    
10 12   9   7            
11   2         10     9 6
4     6     2 8     7  
  2     3 8     1     7
5 4     11         3   10
            7   2   12 5
    10         9 5   8  
8     11 4   5       10  
      12               3
Showing puzzle number: 1117
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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