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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.

6871827 puzzles downloaded.

12 15 9     7 2           5 3 14  
        4     13   11 10   2 9    
      1       14       8 13   16 15
6             15           4    
          4 8 11 6   7 5 9 15    
      8 16         15         11 5
14 11   15 6 3     10 4   1   16 7  
  16   9 7   1   12 8 2     13   14
11   2     10 14 16   6   7 3   13  
  14 13   11   7 1     12 10 16   15 6
8 6         5         3 4      
    16 12 8 6   3 15 13 9          
    12           16             13
15 8   11 5       14       12      
    14 4   12 13   8     2        
  9 3 13           7 6     10 1 8
Showing puzzle number: 26239
Puzzletype: Symmetrical Sudoku
Startnumbers: 110
Difficulty: Super easy (0)
Solution methods: SiSo
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