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Sudoku puzzles (Su Doku)

My database includes 2967 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row and every column contains the digits 1 through 16. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

331620 puzzles downloaded.

12 8     3 7 14 9   5 15   6 13    
    5 12   3   8 7     14   6 15  
5   12     1 10 6     11 16   7   15
10       14           16   13   1 11
11             16   15   1   14 12 8
3 14             2 8 10 9 15 4 7  
16 1 10     13   2     14 11 9      
15   1   5 2 4   3 16 12     8 11 9
2 13 9     4 16 10   12 7 8   3   14
      7 16 5     6   2     11 4 3
  15 8 4 11 12 1 14             2 13
13 4 14   8   15   11             7
14 5   15   16           7       6
7   15   6 8     5 11 4     1   10
  12 3   9     11 15   6   8 16    
    2 16   11 5   12 4 13 3     14 1
Showing puzzle number: 2866
Puzzletype: Symmetrical Sudoku
Startnumbers: 136
Difficulty: Very easy (0)
Solution methods: SiSo SC
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