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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.

7630473 puzzles downloaded.

2     4 8     7 1 14     6 15    
      1         8 11 4       10 13
8       3 4 9   6   15 2        
  7           12       9 16   8  
11 10 2     5 8     6 16 1        
  6     2 1     14         10 9  
1     5 11     6   4 9          
      9 12             15 1 6 16  
  12 10 11 1             6 3      
          16 11   4     3 8     6
  2 4         8     13 14     1  
        15 9 14     16 1     7 4 10
  16   2 4       9           15  
        10 3   2   7 11 12       1
5 14       7 1 15         10      
    3 7     6 5 16     4 2     9
Showing puzzle number: 10638
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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