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# Tag Archives: four color music

## Four color theorem: music is on

When coloring maps using the Java application each color can play a different instruments with different parameters. Download the application and play it yourself: http://sourceforge.net/projects/maps-coloring/. Or turn on the speakers and watch this video:

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Tagged 4ct, coloring maps, Four color, four color music, four color theorem, four colors suffice, pencil and paper, proof
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