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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     5             6 13 11    
    11 5   12         9 4   14 15 10
    15   3 11   2 12 16 10         6
      1   16 10 14   11     8 4    
4 5 14   1 2           15       11
15   1           2 6       16    
          14   7     13       6  
6   10         11       7     8  
  14     7       10         6   1
  3       5     6   7          
    4       1 3           10   14
9       8           1 16   5 3 2
    6 3     15   13 4 16   5      
14         8 16 13 15   2 10   7    
10 11 16   14 6         12   15 9    
    8 7 10             1     16 13
Showing puzzle number: 31152
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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