Master 10-20-30 Sudoku: Fun With Sudoku Series Puzzle #32

This Sudoku type appeared in the World Sudoku Championship 2011, and I created it for the practice of the Indian Sudoku team. This is an easy Sudoku to give an introduction to this Sudoku type.

I am re-posting this Sudoku 10-20-30 as my 32nd Sudoku in the Fun With Sudoku Series. Can you solve this Sudoku 10-20-30 puzzle?

Rules of Sudoku 10-20-30


Classic Sudoku Rules apply. Additionally, the sum of any grey region equals 10, 20, or 30.

Sudoku 10-20-30 (Fun With Sudoku #32)
Sudoku 10-20-30 (Fun With Sudoku #32)







Slalom Sudoku (Daily Sudoku League #76) Solution
Slalom Sudoku (Daily Sudoku League #76) Solution




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