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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.

747396 puzzles downloaded.

3               2     12
  5   6 8   4   12 10    
    6 11     8 1 10      
8           7         4
        12 10           6
    4               9 8
2 3               12    
10           1 4        
9         3           1
      8 9 6     7 5    
    2 5   12   9 4   3  
7     4               9
Showing puzzle number: 379
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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