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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.

2325046 puzzles downloaded.

  6   12   8     4 5 10  
        5     7   2    
  4                 9  
11 8         12         1
    4   7     2 12 8    
10         11   1 3     2
12     4 8   5         7
    2 10 3     11   4    
8         10         12 5
  9                 7  
    5   12     4        
  1 12 8     11   2   3  
Showing puzzle number: 8004
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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