Surplus Tetramino Puzzle

The Puzzle:

Surplus Tetramino
If you re-assemble the pieces of each of the four compositions shown below, three of them will be the same shape and one won't.

Which is the odd one out?






Author: Peter Grabarchuk
This Puzzle © 2007 Peter Grabarchuk. All Rights Reserved.
More from Peter Grabarchuk at PeterPuzzle.com



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-\./^\./-


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