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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.

2266838 puzzles downloaded.

  10     7 5     12 6    
    2       6 8       10
    6   10 9         7  
1   3     6           5
  12     3 2   7 1      
  7   9         11     4
2     3         5   4  
      1 9   7 4     10  
7           3     1   8
  2         9 3   5    
11       5 4       9    
    5 4     12 10     8  
Showing puzzle number: 6282
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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