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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.

10         2     11   13         3
    13   8         14           10
  12 14     11   9     2 1 13 6 5  
      2 4 6 1         5   8   11
  6         14 4     12       1 15
3   1 10 15   16   9       2 4 14 13
      15 7           16   11      
13           11 3   15   4       8
5       3   12   6 4           14
      11   16           3 15      
6 7 4 8       15   9   11 1 3   12
12 14       1     5 16         11  
15   5   11         1 3 10 4      
  3 11 6 1 4     7   5     12 10  
7           3         16   11    
4         7   5     6         9
Showing puzzle number: 7320
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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