Ok, the instructions read like this: beg. with a multiple of 20 sts plus 9 and end with a multiple of 8 sts plus i
Row1, 3, 5 and 7 (rs) K1, *pl,k1: rep from *to end.
Row 4 (ws) P5, K3tog, *P13, Ketog, P1, K3tog; rep. from * end last rep, P13, K3tog, P5
Row 6 P5, K3tog. *P9 K3tog, P1K3tog; rep from * end last rep. P9, K3tog, P5.
Row 8 P5, K3tog, *P5, K3tog., P1, K3tog; rep. from * end last rep. P5 K3tog. P5 cont. in established rib as desired.
Thank you for your help , can't wait to begin my scarf. This is going to be just the ribbing of the scarf.