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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.

1892329 puzzles downloaded.

  10 8     6       1 5 4
      4   11   8 2 6   9
      9 1   7         3
  8         9       4 5
  11 10     12       8    
      3           10   12
10   2           5      
    7       12     3 11  
4 9       2         12  
12         5   9 6      
2   9 8 11   1   12      
7 1 11       6     9 10  
Showing puzzle number: 8355
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Super easy (0)
Solution methods: SiSo
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