How do I open the cache in the well near the skeleton?

Lo conseguí, aunque no se muevan las piedras, presiona en el orden de 1 a 7, se desprende una y aparece un gusano

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I got it, even if the stones don't move, press in the order from 1 to 7, one comes off and a worm appears

Press the stones in order from 1 to 7.