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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.

2209603 puzzles downloaded.

    2   6   8     9    
4         7         2 6
  5 9       2     7    
11       3   6 7 9   12  
  4 10   1 2 11         7
6 7 3     10   12       1
7       12   10     1 3 4
10         1 5 2   12 9  
  12   1 7 6   11       5
    1     4       8 6  
2 3         1         9
    6     3   9   10    
Showing puzzle number: 788
Puzzletype: Symmetrical Sudoku
Startnumbers: 60
Difficulty: Super easy (0)
Solution methods: SiSo
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