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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.

1384992 puzzles downloaded.

12   7   2 11   1     10 5
      9     5   3 11 8 7
          8 7         12
        4   2   12     11
      1 12 10 11       3  
      3         2   5 10
1 5   6         11      
  8       7 4 10 5      
3     11   6   2        
7         4 12          
2 6 3 12   1     9      
8 1     9   10 11   12   3
Showing puzzle number: 997
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Super easy (0)
Solution methods: SiSo
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