Yarn: Schachenmayr Catania. Colour: Fuchsia 0128. Buy the yarn here.
Crochet hook: US E (3.5mm)
Rnd 9: start in dc on top of group with 2dtr, 1trtr, 2dtr; ( ch4, 1dtr in first dc = 2dtr in top of 1st dtr, 2dtr in top of 2nd dtr, 2dtr in top of 1trtr, 2dtr in top of next dtr, 2dtr in top of the last dtr) = * 10dtr, ch3, 1dc in top of dtr in next group of tr, 1dtr between the two groups of tr, ch 3, 1dtr back between the same groups of tr, ch 3 * around. End with 1sl st in top of 1st dtr (= 4th ch at beg). Cut the yarn and pull the thread through the sl st. Change colour.