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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.

465697 puzzles downloaded.

2         1            
      7 10     9        
8     12       5   9    
12 6 11 5         3      
3 10 9       4         5
1   7     9   2   10    
    8   6   10     4   2
7         3       2 10 1
      3         8 11 9 6
    5   11       1     10
        5     6 4      
            1         8
Showing puzzle number: 380
Puzzletype: Symmetrical Sudoku
Startnumbers: 48
Difficulty: Very easy (0)
Solution methods: SiSo SC
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