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Sudoku puzzles 4x4 (Su Doku)

My database includes 34183 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 4x4 box contains the digits 1 through 16. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

7646280 puzzles downloaded.

3       12   14     5         7 8
      14       15 10     2 16 5 6  
13 7 12     11   6     3         14
15       10 8   5   14 1 13 4 9 12  
5 12 9     16   1     2         7
            13 4   7 15 11     8 1
11 15   1   7 10 2         12   4 9
  3 2 7 11 6 9 8 1     14 5      
      3 13     10 16 6 4 9 8 7 1  
2 13   9         14 1 8   3   11 12
1 6     2 9 5   7 3            
14         3     2   13     16 9 5
  8 11 15 4 2 16   12   10 3       6
16         10     5   14     12 3 13
  5 3 12 8     13 6       14      
7 14         12     2   1       10
Showing puzzle number: 1514
Puzzletype: Symmetrical Sudoku
Startnumbers: 126
Difficulty: Very easy (0)
Solution methods: SiSo SC
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