Diagonal Sudoku (Mini Sudoku Series #17)

Another easy Mini Diagonal Sudoku for the practice of Sudoku Champs 2015.

I am posting this Diagonal Sudoku as 17th Sudoku in Mini Sudoku Series.

Rules of Diagonal Sudoku

Mini Classic Sudoku Rules apply. Additionally each of main diagonal (marked by a line) must contain digits from 1-6.

Diagonal Sudoku (Mini Sudoku Series #17)

Diagonal Sudoku (Mini Sudoku Series #17) Solution

Previous Mini Sudoku Series puzzle: Linked Classics Sudoku (Mini Sudoku Series #16)

Next Mini Sudoku Series Puzzle:  Odd Sudoku (Mini Sudoku Series #18)

Answer to Mini Sudoku Series puzzle titled Product Sudoku (Mini Sudoku Series #21)