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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.

  1 2   10         7 6 5
10             7     3  
      9     12   1      
6     11   8 9 4     1  
9     5 2       6 12   4
        7           9  
  10           9        
3   5 6       12 2     7
  11     4 5 2   9     3
      7   11     5      
  8     1             6
2 12 4         6   10 11  
Showing puzzle number: 4235
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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