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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.

2310757 puzzles downloaded.

1 5 4   8   7         12
  6       2       7   10
7   12 2   5       3    
9 2     6 1           5
5       2   8     9 1  
11 3     10     4       2
8       12     6     10 7
  4 1     10   9       8
10           3 1     4 9
    8       11   7 5   3
4   5       6       2  
2         7   5   6 8 11
Showing puzzle number: 9917
Puzzletype: Symmetrical Sudoku
Startnumbers: 60
Difficulty: Super easy (0)
Solution methods: SiSo
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