Bust Sudoku (Daily Sudoku League #42)

This week I want to create a practice puzzle for the 7X7 - LMI July Sudoku Test, but currently very busy preparing for the Times Sudoku Championship finals to be held in Mumbai on 13th July. So I am posting my earlier created Sudoku variations called "Bust Sudoku"

This Bust Sudoku is my 42nd contribution to The League of Extraordinary Ladies & Gentlemen. Can you solve this Bust Sudoku puzzle?

Rules of Bust Sudoku

Classic Sudoku Rules apply. Additionally, the clues outside the grid indicate the number of first cells such that the sum of the digits in these cells in the corresponding direction is greater than 21. (Note: The name Bust comes from the game Blackjack were going over 21 means busting.)