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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.

5479470 puzzles downloaded.

11                 4   6   9 5 13
  2 3 1 11 9   16     7          
          12                   7
    16   7   13 5     11   6   12  
  5 11 10 16 13   6   7         2  
        5           3     8 11 15
        2   1   14     11 7 6 16  
8 6 4   15     11   10   1     14  
  12     9   16   8     7   14 6 11
  16 9 6 14     10   12   5        
1 3 13     2           10        
  15         12   16   6 9 13 5 7  
  4   7   3     12 1   14   15    
3                   13          
          6     3   16 15 8 12 1  
9 8 2   12   10                 3
Showing puzzle number: 2116
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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