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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.

    12 8     3 10   7     4      
  16 3 5   6       10 4 2        
  9   2 8     7       15 13 3 10  
      14 16 5 12                 9
11     9   2               8   6
      3       5     11 7 9 10    
  8         11 12       9 16   5 1
    16 10   13   3   8           7
16           13   2   5   6 12    
13 7   12 14       4 3         16  
    10 6 15 8     11       5      
14   5               16   11     8
1                 12 15 10 8      
  10 11 7 5       8     3 12   1  
        2 1 4       9   3 6 13  
      4     16   13 5     15 9    
Showing puzzle number: 22882
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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