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Lakaw is a journey is a step is a move. I love to travel around the world and this is my travel and travel gadget site. Welcome and Enjoy!

Puzzle today: Arranging coins

0 comments | Wednesday, January 23, 2008

This looks easy. Instruction is to arrange the coin shown below:

to this, the shortest number of moves possible:

To arrange the coins, you must move two coins (pair of coins) at all times -- a pair of one big and one small coin. One more thing, the pair must always touch each other. Gaps in the chain are allowed at the end of any move except the final one.
[solution after the jump]

The shortest number of moves possible is 4 moves.

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posted by talk

at 1/23/2008 11:20:00 PM Permalink

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