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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 10 11 1       6 12      
7     6   4         1  
    4   8 1       6    
8 3       9 2     1   6
2           4 3     11 12
                4   2  
  7   9                
11 4     10 12           9
3   5     7 8       12 4
    6       7 8   4    
  12         11   10     2
      11 5       7 12 6 8
Showing puzzle number: 1873
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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