Sudoku (itch) (nitinkumar25195)

Sudoku is one of the most popular puzzles enjoyed by people all over. The objective is to fill a 9 by 9 grid with numbers from 1 to 9 such that no row,no column or 3 by 3 sub-grids have a repeating number. There can be more than 1 solution to a puzzle.
Have fun.