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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.

5581595 puzzles downloaded.

  16   2       9     7 13   6   1
  3   4   7   6 1         8    
                  2 9   7 4   12
10             15 3       9     2
12     10 5       9   6 3       8
6 7     9     11     1 16   5    
  2   8 6 3     11 7           15
1 11 9   8 12   10         3     16
7     14         6   3 12   9 16 5
16           13 5     8 1 6   11  
    2   3 10     15     5     8 14
3       7 6   1       10 13     4
15     5       12 2             6
2   7 13   8 5                  
    3         13 14   11   10   5  
11   6   10 14     13       15   1  
Showing puzzle number: 30632
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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