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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.

2333808 puzzles downloaded.

    5 4 11       2 10 6  
  2     6         8    
  10       7 2         11
  11       8 4 6 12 9    
  8   10       5     2  
        9       8 7 5  
  12 9 5       1        
  1     8       11   3  
    3 6 4 11 12       9  
3         1 9       12  
    10         11     7  
  9 12 1       8 4 3    
Showing puzzle number: 624
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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