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.

No Donkey Step Sudoku 2013 - 1

Today's puzzle is also part of the Daily League competition going on at Facebook.

The group comprises of some great creators from across the globe. Today is my turn to create a sudoku for the group.

The sudoku is a No Donkey Step Sudoku.

Rules of classic sudoku apply. Additionally a number cannot repeat within 2 cells from itself in any direction, even diagonally.

Daily League - Arrow Sudoku

At the Daily League that was started on Facebook, today we have the Arrow Sudoku by Bastien V J.

Each row, column and region must contain the digits from 1 to 9.
Within an arrow, the digit in the circled cell is equal to the sum of the digits on the rest of the arrow.

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

Classic 2013 - 2

Back to the basics. Today is the time for a classic sudoku.

Fill the grid such that every row, column and 3x3 box contains the digits 1 to 9.

Yes, you guessed is right. I am enamoured by the diagonal symmetry.