From: William Wu of U. C. Berkeley
At: http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml
Source:
http://www.ocf.berkeley.edu/~wwu/riddles/easy.shtml#9dots
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PUZZLE - 9 Dots And 4 Lines (S448)
From: William Wu of U. C. Berkeley
Source:
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You have 9 dots arranged
like a rectangle.
Without lifting your pen, or retracing a line, connect all nine dots with four lines. |
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