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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.

3570517 puzzles downloaded.

5       12 10       14 7       4 16
14     2           11 1     15 8  
  16   3 1   15       2 10 5      
    12     13 8   6           10 9
    5 7     2         3 6 10 13  
16   15 8     4 7 11         3 12  
      4 3     8     9 2 7      
2 9       15       10         16  
  4         16       11       1 5
      10 13 2     8     7 15      
  3 9         4 1 5     12 7   13
  2 11 5 7         12     16 4    
7 13           6   2 15     8    
      9 16 5       6   4 3   15  
  5 6     4 14           11     10
10 14       3 13       5 8       7
Showing puzzle number: 2061
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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