Sudoku Challenge - Sun 11 February - Difficulty: Hard

Greetings Steemian Sudoku fans,

Today's Sudoku challenge is of hard difficulty
It is just for fun - Can you solve and find the number in the highlighted square?
Leave me a comment if you can work it out.

Well done if you managed to complete last week’s grid
The solution I had for last Sunday’s puzzle is:



Remember have fun!