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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.

  1             14   3 2       16
9   8   11 1         12   13 3   10
  6 2 13 7 4   16       15   11   8
14 5       6     1             4
    7 10 12     1 3       11      
2 16   3 8           4   9   15  
              13 9   2     4   3
                  6 11 8 7     12
7     11 15 13 10                  
5   1     2   7 13              
  15   14   8           6 1   3 9
      8       9 11     7 12 6    
4             10     14       12 15
15   14   13       12   5 11 3 10 16  
16   5 6   12         10 3   8   1
12       5 16   8             9  
Showing puzzle number: 17595
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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