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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.

6898158 puzzles downloaded.

10   6   3         7       12 13 4
  5 16 4 15   10   14     13   2    
1 14   13 8       3   16   5   11 10
      15 4 13 5   10   12     16    
5   8   16 3 12           11 13   2
13 2 4 10 7 5   6   15       14    
6           13   5     12 4 3    
14 12     10     4   2 7 1 15 5    
    10 6 13 2 8   7     4     9 14
    9 2 6     14   10           16
    13       16   6   2 14 7 8 5 15
3   14 5           16 1 15   10   13
    2     16   8   11 4 7 13      
9 6   3   7   11       8 10   2 5
    11   14     3   5   10 16 7 15  
4 16 5       2         3   9   11
Showing puzzle number: 5529
Puzzletype: Symmetrical Sudoku
Startnumbers: 126
Difficulty: Very easy (0)
Solution methods: SiSo SC
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