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Rareza o inestabilidad.

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Escalera de colorLas parejas, a juzgar por la frecuencia con que las vemos, son bastante estables. Las que no son estables son las escaleras de color.

This entry was posted on 10/07/2007 at 20:14 and is filed under Notas. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.