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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.

    9                 1
          12 2 3       6
      10 4           9 3
7           8       12  
1 12   6         10   8  
  4     11 3       8    
    2       9 11     1  
  8   12         7   11 9
  7       8           11
4 1           5 9      
10       5 11 4          
6                 7    
Showing puzzle number: 358
Puzzletype: Symmetrical Sudoku
Startnumbers: 44
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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