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Sudoku puzzles irregular (Su Doku)

My database includes 1031 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 12. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

756740 puzzles downloaded.

  6   12       11 2   9  
  7       10   6        
2         9 12       7  
  5 9           3      
3   12 10         11      
6           9 1   2 11  
  2 11   10 7           9
      11         5 6   10
      7           8 12  
  8       4 2         11
        1   10       4  
  12   3 5       10   1  
Showing puzzle number: 890
Puzzletype: Symmetrical Sudoku
Startnumbers: 48
Difficulty: Very easy (0)
Solution methods: SiSo SC
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