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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.

4 8       15           16 2   7 9
2         12           7 14 15   3
7     5   9   2 14 3   4   12 8  
    12           5   2     11   13
16   6 2 11 13       5       7   8
  11     9   4       6 15 5      
  5           6   1 16       14  
    3   12 2 5 1   10 14     16    
    16     5 7   11 2 4 13   1    
  12       10 16   1           11  
      11 2 4       14   12     6  
5   14       12       15 10 13 8   7
6   15     3   13           14    
  9 5   1   10 14 2   13   12     16
13   1 16 8           3         6
8 4   12 5           10       13 1
Showing puzzle number: 8348
Puzzletype: Symmetrical Sudoku
Startnumbers: 108
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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