Puzzle No 119: Classic Sudoku

This is the 4th Sudoku which i contributed to

Czech Republic National Academic Championship 2014 

which was held on 15th November 2014. You can check 1st one here, 2nd one here and 3rd one here.

This is my 20th Sudoku contribution to:

Daily League! The League of Extraordinary Ladies and Gentlemen

Remember that you can solve this puzzle from the League  online on the Sudokucup Guest League page with a 24 hr delay.

Rules:

Place numbers in the grid such that each row,column and 3*3 box contain the numbers 1-9.

Theme: 1-9

Difficulty: Medium

Puzzle: