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 Jigsaw Sudoku Weekly Competition Advance puzzles are now available
 Now available for your iPhone Cool Sudoku Visit our site to see the great iPhone application that brings you Sudoku, Killer, Jigsaw, Kakuro and Mini Sudoku to your iPhone/iPod Touch. We are running Daily Competitions and will be supporting a leader board for each puzzle type. Click to go to the Cool Sudoku Site or use the Button below to view in iTunes

 #617, July 15 to July 21: Extreme Jigsaw Sudoku Puzzle WARNING: You are on the Weekly 'Extreme' Sudoku Sudoku Page. If you insist on continuing, print out the Sudoku from the link below and when you have completed it, enter the numbers in the box on the form with your name and email address. Correct entries contribute to your personal history in Sudoku puzzles and your score and rank. The deadline is Saturday night, any time up to midnight. All Extreme puzzles have a single solution and at least one logical solve path, although this might be obscure to say the least. PRINTABLE VERSION: CLICK HERE FOR BLACK AND WHITE - HERE FOR COLOUR (With Candidates): CLICK here for black and white - here for colour New!: Work Sheet
 5 1 7 4 4 8 4 6 7 2 7 2 5 7 4 5 6 9 4 1 5
Extreme
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## Last weeks's Solution: Extreme no. 616

 6 7 8 9 2 1 4 5 3 3 4 9 5 8 2 1 6 7 5 1 2 6 7 3 8 9 4 4 6 3 8 5 7 2 1 9 8 9 7 1 4 5 6 3 2 2 3 1 4 9 6 7 8 5 7 8 4 3 6 9 5 2 1 9 5 6 2 1 4 3 7 8 1 2 5 7 3 8 9 4 6

## Archive

Number 600: Puzzle - Solution - Step-by-Step Solve
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Number 606: Puzzle - Solution - Step-by-Step Solve
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Number 608: Puzzle - Solution - Step-by-Step Solve
Number 609: Puzzle - Solution - Step-by-Step Solve
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Number 612: Puzzle - Solution - Step-by-Step Solve
Number 613: Puzzle - Solution - Step-by-Step Solve
Number 614: Puzzle - Solution - Step-by-Step Solve
Number 615: Puzzle - Solution - Step-by-Step Solve
Number 616: Puzzle - Solution - Step-by-Step Solve
Number 617: Puzzle -

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