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The nine-dot puzzle. The task consists of connecting all 9 dots with... | Download Scientific Diagram
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2 The nine-dot puzzle. Left 5 puzzle, right 5 solution. | Download Scientific Diagram
9 dots 4 lines | 9 dots 1 line | This tricky puzzle & the awesome riddle has three genius solutions - YouTube
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File:Ninedots.svg - Wikimedia Commons
recreational mathematics - How to prove the number of solutions to nine dots puzzle - Mathematics Stack Exchange
Nine dots puzzle - Wikipedia
The Nine Dot Challenge! | Experiments | Naked Scientists
The Original Think Outside the Box Puzzle
History of the Nine Dot Problem – Art of Play
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Creative Leadership Workshop Paul Sloane. The Nine Dots Puzzle Start on any dot Can you draw 4 straight lines going through all the dots without. - ppt download
History of the Nine Dot Problem – Art of Play
Frontiers | The Role of Motor Activity in Insight Problem Solving (the Case of the Nine-Dot Problem)
9 Dot Puzzle Solutions — Mark McGuinness | Creative Coach
Connect the Nine Dots Riddle: Step by Step Solution | Suresolv