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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.

  3       5   8   10   11 12   6  
    10 16 13 9         6     14   4
  11 14     10 12         3   9   2
    9 4       1 7     16 8 5   10
10       2       5 6   4     12  
13       10 6   12     11         5
  9       13             15     8
7           16   15 8 13   10 11    
    2 13   12 6 16   4           15
14     10             1       5  
3         14     8   16 2       6
  15     9   10 4       13       14
16   8 1 14     7 9       2 3    
11   3   6         2 12     4 15  
4   15     2         3 7 5 10    
  13   7 3   11   10   4       8  
Showing puzzle number: 33993
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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