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 Sliding pennies #2 (Posted on 2005-06-06)
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)

 Subject Author Date re(2): 4, logically, no trial and error Amber 2005-06-14 03:32:34 re: 4, logically, no trial and error McWorter 2005-06-10 16:43:38 4, logically, no trial and error Amber 2005-06-10 05:55:04 re: 3 moves Charlie 2005-06-09 14:14:44 3 moves Caprice 2005-06-08 14:47:31 re(2): Nope, 3's impossible. Amber 2005-06-08 03:32:55 re: Nope, 3's impossible. McWorter 2005-06-07 05:02:07 3 moves Jennifer 2005-06-07 05:00:33 Nope, 3's impossible. Amber 2005-06-07 04:02:09 3 Amber 2005-06-07 03:58:10 Solution... Cougar Draven 2005-06-07 00:25:00 I think 4 is the answer Sing4TheDay 2005-06-06 18:34:13 Sorry, 3 is not possible! mattyturbo 2005-06-06 14:11:44 I can do it in 3! mattyturbo 2005-06-06 14:02:40 5? and spoiler Fletch 2005-06-06 11:30:32

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