Times Online have launched a brand new interactive Sudoku puzzle.
You can play puzzles online or print them off, and also play archived puzzles.
How to play interactive Sudoku
Sudoku puzzles will appear daily at 2000 BST, with the solution appearing the following day
As the week progresses the Sudoku will increase in difficulty from Easy to Super Fiendish
To solve a Sudoku puzzle, every digit from 1 to 9 must appear in each of the nine rows and columns and in each of the 3 × 3 boxes
Before playing the interactive Sudoku, please check out the Help to discover useful solving techniques and how to make best use of the interactive game, including virtual pencil marks and saving your puzzles
You may print out your Sudoku from the interactive game or in the archived listings of puzzles, simply right click on the image and select “print”
Moving around the grid
Move around the grid using your mouse or keyboard
To enter a number, select a square using the keyboard or mouse, then press a number from 1 to 9
To remove any number, press Spacebar, Backspace, Delete or enter a new number in its place
You can use the four arrow keys or tab to move around square by square
Pencil marks
As an aid to solving your Sudoku, try using the pencil marks situated at the top of the squares
You can note down possible numbers here until just one candidate remains
Simply enter the numbers on your keyboard and use the cursor keys and delete button to make changes
Saving
Our online Sudoku can remember you on a specific computer, click the Save button to store your puzzle
At a later time when you wish to continue the puzzle, simply click the Restore button to enter the puzzle into the display
Only one game can be saved at a time – saving a second puzzle will remove the first.
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