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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.

7543257 puzzles downloaded.

3   7   1 16 5 9 8       13   14  
    4   15     12             7  
  13 5 10 3       11   14          
14 1         11 7     9   2 16   8
      6 7       13     4     12  
    13   12         5 15 2   8 16  
11     3 2 5                 13 6
  10       8           7 1 5   4
4   12 8 9           10       5  
2 9                 7 5 4     12
  14 15   5 13 10         3   2    
  16     14     4       8 3      
5   11 4   1     7 12         6 9
          12   5       15 11 14 1  
  3             4     14   13    
  7   14       13 9 10 2 11   4   3
Showing puzzle number: 10459
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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