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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.

1902267 puzzles downloaded.

    10 11 3              
  2   9 6   11 8 5     3
6         10         8  
    4         5   9    
  9 8     11   12 3     10
12         9 10       1 8
10 12       7 1         9
3     4 5   9     2 12  
    5   11         3    
  10         3         2
11     2 12 6   4 1   3  
              7 4 8    
Showing puzzle number: 5342
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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