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gulliver1 | 18:12 Sat 24th Jan 2009 | Quizzes & Puzzles
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What do you do when you have tried the lines all ways and the squares and you just cant finish a sudoku puzzle.
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There are several ways of making progress. One that I use is to find a place where you are certain that one of two numbers can be used, take a guess at which it is and draw a light square round that number. From then on put a light pencil circle around each number you place until you either a) find that you have made a mistake or b) finish the puzzle. If a) then rub out those numbers with a circle round them and change the one with a square round it to its alternative and you will solve the puzzle. I hope this helps.
gulliver - I found that problem with todays Sudoku prize competition in the dt - do just what daisymae says and you will get it - I just guess which of two certain squares to start with and tick the first number - if it works out fine if not erase everything and start for certain with the other square I just finished the prize one today using that method - good luck
Do what I do - shove the Telegraph in the recycling bin and have a gin and tonic....
Bin it and stop wasting your life! See above.

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