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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.

2201578 puzzles downloaded.

  2 4 12   10 5     8    
    7         12 6     2
  6             12   7 3
12       11 7           5
    2   6 9 4     12 8 7
    8       12   11      
      2   8       11    
4 5 1     2 6 3   10    
8           9 11       12
2 8   10             6  
9     7 10         3    
    3     4 11   8 7 2  
Showing puzzle number: 2801
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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