Sudoku number 22

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.

6927 8 43 5 1 
437 5 19 2 8 6 
15 8 26 3 4 9 7 
3 84 6 92 71 5
7 2 9 85 16 3 4 
56 14 37 9 28 
2 1 6 9 7 58 4 3
8 4 3 1 26 5 79
9 7 5 34 8 162

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