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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.

4193169 puzzles downloaded.

    10 7 5 2     12             16
  12   11 10     16         9 3    
13       14 3 8 9         11 15    
16     8 4 15 11 12   14 13         2
4       16       11         10    
12 7       14 3 4 8              
2 8   14 1   7   3 6 16   15     4
      6   11 9   10       14   7  
  14   3       2   13 10   1      
9     16   4 5 15   3   6 7   11 10
              11 2 8 15       16 6
    8         7       16       13
6         16 4   7 5 2 10 3     11
    5 2         13 16 14 9       15
    4 9         15     8 16   2  
8             5     11 4 13 12    
Showing puzzle number: 1310
Puzzletype: Symmetrical Sudoku
Startnumbers: 108
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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