K = Knit
wl. fwd = wool forward
k2 tog = Knit two together
sts = stitches
Cast on a number divisible by 18
1st Row: (k2 tog) 3 times, *(wl. fwd, k1) 6 times, (k2 tog) 6 times, rep from * to last 12 sts, (wl. fwd, k1) 6 times, (k2 tog) 3 times.
2nd Row: k1, purl to last st, k1.
Repeat 2nd row 6 times.