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Sliding pennies #1 (Posted on 2005-05-31) Difficulty: 3 of 5
Six pennies are arranged in the pattern of O's below.

    O O O
   O O O

Nearby pennies are touching. By the fewest number of legal moves, transform the pattern into the pattern


consecutive pennies touching. A legal move consists of sliding a penny, not picking up a penny, without disturbing the other pennies, to a new position touching at least two pennies. (You might want to look up Moving Quarters for a similar problem with the same rules.)

See The Solution Submitted by McWorter    
Rating: 2.5000 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): I got three. | Comment 7 of 16 |
(In reply to re: I got three. by pcbouhid)

I think you overlooked the part where it says that each time you move a penny it must finish in a position where it touches two pennies.
  Posted by ajosin on 2005-06-02 13:02:44

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