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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.

2333808 puzzles downloaded.

6     10   2   5       8
          12         2  
    4 8   7     5   3 10
12     3     7 4     9  
    1 5   3 12          
10   8   5       12   11 3
8 5   6       12   9   4
          8 9   3 6    
  9     2 4     7     12
7 11   2     4   10 5    
  10         3          
5       6   10   11     1
Showing puzzle number: 10016
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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