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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.

11       15 14 7     6 10          
10 14   7   4 5 8     15 1 11      
  8     9 12   10     4       14 15
12   1       6           16 5    
    15 11   2 9 1   7 13     10   14
6 7     5     12 14         1    
  13     6   11         3 7     8
          7 13       8 16     12 3
9 5     3 13       4 7          
15     1 11         8   10     5  
    12         9 13     5     11 16
13   11     5 10   12 16 3   2 15    
    5 2           9       11   7
8 12       9     10   11 13     1  
      9 2 11     8 1 5   10   4 12
          1 8     14 12 7       5
Showing puzzle number: 30301
Puzzletype: Symmetrical Sudoku
Startnumbers: 108
Difficulty: Very easy (0)
Solution methods: SiSo SC
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