This is written in UK terms. Mostly a tutorial, but it does have a pattern which differs from the usual treble UK - DCUS ripples

Dutch translation can be found here/ Nederlandse vertaling kan hier worden gedownload: Keurig Golf-Patroon
(Translated with permission / Vertaald met toestemming)

Traducción al español aqui: Patrón Español
(Translated with permission / Traducido con permiso de la autora)