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Tetramino Checkers
by Peter Grabarchuk*

The five transparent pieces are scattered around the board above. Each piece contains a different tetramino shape on it consisting of black and white cells.

The object of the puzzle is to put all five pieces in a stack on the board in such a way that a complete 4x4 chessboard would appear. Please, note, the hint how the black and white cells should be mutually distributed is already depicted on the board.

To move a piece over the board, just drag and drop it. To rotate a piece, click it.

*More from Peter Grabarchuk at PeterPuzzle.com.

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Posted: January 16, 2007 Last Updated: December 10, 2007
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