(Chain a multiple of 4 sts + 3)
Row 1 1 Sc in 2nd ch from hook and in each ch across. Turn. Row 2 Ch 3 (counts as 1 dc), *skip next sc, 1 dc in next 3 sc, yo, with hook in front of work, go back and insert hook from front to back into skipped st before the 3-dc group; loosely draw through a lp and bring it up to the height of the 3-dc group; yo and complete dc (Cable st ); rep from * across, end dc in last st. Turn. Row 3 Ch 1, 1 sc in each dc across. Turn.
Rep rows 2 and 3.