Another sudoku riddle to practise your brain

Sudoku Rules

Each Sudoku has a unique solution that can be reached logically without guessing. Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3×3 square.

Sudoku Tips

* Start with number one and pencil in all options around the grid before moving on to number 2. When worked your way up to number nine, simply go back to the beginning and start with number one again

* Concentrate on the 3×3 mini grids, rather than rows and columns. They give up a lot of clues.

* If you’ve completed seven numbers in a row or column, then obviously the two boxes that are left must be one of the two remaining numbers left over. That row or column often passes through a mini-grid where you also have two options. Frequently, you can deduct exactly where the two leftover numbers go.

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