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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.

6095052 puzzles downloaded.

  5   15 8   12         9     3 10
    12     5 10 11   15   4   2 9 16
          3         14     7    
            1     13 6       8 15
10       13 8   14   4         15  
4 3   13     9 1     7     12   11
  2         11   13       4      
9 12   1 4           5 3 10 14    
    2 14 11 1           12 3   6 4
      3       5   16         13  
16   10     14     8 11     15   5 12
  13         16   7   15 2       9
6 16       7 2     8            
    15     9         2          
1 7 9   5   8   4 12 11     15    
12 8     6         5   7 2   1  
Showing puzzle number: 4321
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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