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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.

7629071 puzzles downloaded.

  4   3 13   12 16 2       7      
15       2 7 4     5   1       11
    8   3 6     7   14   4   13  
    14         11 15 10           3
    11 14         6 12   15 3 2 1 13
    5   15 9     3     7 8      
    16     3                 12 14
1 6               14 16 4 10      
      7 10 5 9               4 12
5 3                 1     13    
      10 8     12     9 11   1    
6 14 9 11 4   15 3         2 8    
14           13 7 8         3    
  16   2   4   15     10 12   14    
8       5   2     16 7 3       4
      1       8 5 4   6 13   2  
Showing puzzle number: 371
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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