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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.

7578724 puzzles downloaded.

9 15 11       4 7     12         3
13 16 10   9   2 8       3        
4 12 2 8   15 1   5 11 10         9
          12       15           4
    16 13     7 6                
  11 7   15   16           1      
  6     14   3       7       12 8
      9 13   11     1 8 2 14     7
16     1 4 8 5     14   9 7      
7 4       11       13   1     9  
      6           2   12   14 4  
                11 8     2 15    
2           15       16          
12         9 13 2   10 1   6 16 7 15
        16       2 6   15   13 8 10
10         7     12 5       2 1 14
Showing puzzle number: 1347
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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