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Sliding pennies #2 (Posted on 2005-06-06) Difficulty: 3 of 5
Nine pennies are arranged in the pattern below.

  O O O
 O O O
O O O

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

   O
  O O
 O   O
O O O O

nearby 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.

See The Solution Submitted by McWorter    
Rating: 3.0000 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: 3 moves | Comment 12 of 15 |
(In reply to 3 moves by Caprice)

The problem is that moving 5 to e would disturb 2 and 9 as they are too close together to allow this passage.
  Posted by Charlie on 2005-06-09 14:14:44

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