The cast on for the scarf, and therefore the set up rows are incorrect
they should read
Cast on 54 sts using a cable cast on and size 8 ( 4mm) needles
Set up rows:
R1: k2, p2, k4, p2, k4, p2, k6, p2, k2, p2, k2, p2, k6, p2, k4, p2, k4, p2, k2.
R2: p2, k2, p4, k2, p4, k2, p6, k2, p2, k2, p2, k2, p6, k2, p4, k2, p4, k2,p2
Work these rows twice
The Christmas miracle himself! Meet Reginald, the cabled scarf. To read the story that inspired this pattern, visit http://fiberfiction.com for A Knitmas Carol.