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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.

1080818 puzzles downloaded.

7   10 1     12 6     4  
  4           5 2      
5       11         12    
  8             1 3    
    2   10 7     9     8
  10       6   8 5 2    
    9 4 2   3       10  
2     10     7 12   11    
    6 7             1  
    8         10       11
      9 1           5  
  2     12 4     6 7   3
Showing puzzle number: 7500
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Very easy (0)
Solution methods: SiSo SC
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