Cast on multiple 7 sts + 2 sts +2 edge sts

First edge stitch - slip, last edge stitch - purl.

Abbreviations:
* - * - repeat pattern
K - knit stitches {example: K1 means to knit 1 stitch}
P - purl stitches {example: P2 means to purl 2 stitches}
1/3/1LRC(Left-Right Cross) - slip 1 st to 1st hook, hold at front, slip 3 sts to 2nd hook, hold at back, k1, k3 from 2nd hook, k1 from 1st hook
st - stitch
sts - stitches