Daily League - Classic Sudoku

At the Daily League that was started on Facebook, today we have the Classic Sudoku by Tom Collyer.

Each row, column and region must contain the digits from 1 to 9.

Clicking on this link will take you to Tom's blog where the image is hosted along with some other world class sudokus and puzzles.

Killer 2013 - 1

I suddenly realised that I had not created a Killer Sudoku for the blog. So here is last night's efforts.

Rules of classic sudoku apply. Additionally, the sum of the digits in a cage is equal to the number on the top left of the cage. A digit cannot repeat in a cage.