Sudoku number 16

Difficulty:

Sudoku is a diagram of nine by nine boxes in which the numbers from 1 to 9 must be entered. The diagram of 9x9 is again subdivided into a box of 3x3. A number from 1 to 9 must be entered in each box.
In order to solve the puzzle, the boxes must be filled in such a way that in each row, every column and each box of 3x3 the numbers 1 to 9 only occur once.

You do not have to be a clever head, just a little patience and logical reasoning is needed to solve the puzzle.

5 162 7 483 9 
4 3 7 8196 52 
9 2 86 5 3 4 71 
7 6342 5 9 1 8
1 42 9 3 8 5 67 
89 5 1 6 7243 
6 59 7 8 1 32 4 
3 74 5921 8 6 
2 8 134 6 795 

First select a number or an edit function (erase for example) and then click in a box of the sudoku.
 
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