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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.

  11   14 3   5 4           7    
      5     1     9 6          
  6 9       15   1 7 12          
7 10 1     13   12     8 2        
6     9       2   3     8   5 1
12 13       1   5     9   15 3 6  
15       11           16     13 7 12
5 7         12     10 14       11  
  8       7 4     1         10 15
14 2 7     12           3       4
  5 13 3   9     2   4       16 8
4 9   1     3   15       13     14
        12 5     11   15     4 14 7
          4 16 7   13       15 8  
          15 2     14     12      
    8           10 12   7 2   13  
Showing puzzle number: 34008
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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