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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.

2176460 puzzles downloaded.

6   10 5         11   4  
  7     2           9  
  11   9 5 12 6     7    
3 12 4 10           8    
        4     6       1
  8         12         9
11         9         7  
4       12     10        
    3           6 9 8 5
    7     1 10 5 9   2  
  9           12     11  
  4   2         8 1   3
Showing puzzle number: 2048
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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