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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.

  14     11     7           12    
    1 13 4 2 14       16 12 15 9 6 7
    7     9 8 10 2              
15     16         4   7         13
      11       15     4 13 10 6   16
6 7 13     10             1   3  
10     9   13   2       14     8 11
14   2 3 16 11                 15  
  2                 10 3 12 14   1
9 6     12       5   13   7     10
  4   1             14     11 5 2
12   11 10 2 5     1       8      
2         6   11         4     3
              9 14 1 5     16    
3 5 12 4 10 14       7 6 11 2 1    
    16           3     4     10  
Showing puzzle number: 17184
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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