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Manipulative Puzzles / |
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Switch the Cars |
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Exchange the positions of two cars and after that return the engine to its
initial position. And the exchange should be done with the smallest number
of couplings and uncouplings. |
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Simple Train Exchange |
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Help two trains to pass by safely on a narrow segment of railroad using
only a switch that is large enough to hold either an engine or a car at a
time. So how on this simple exchange? |
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Last Updated:
February 15, 2008 |
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