Knitted in a multiple of 17, + 2 sts and 16-row repeat.
Row 1 (Right side): P2, * yo, k2tog, yo, (k2tog) 3 times, k2, yo, k3, yo, ssk, yo, p2; repeat from * to end.
Row 2 and all wrong side rows: Knit the knit stitches, purl the purl stitches, purl the yarn over loops.
Row 3: P2, * yo, k2tog, k3tog twice, yo, k1, yo, k2, (ssk, yo) twice, p2; repeat from * to end.
Row 5: P2, * yo, k4tog, yo, k3, yo, k2, (ssk, yo) twice, p2; repeat from * to end.
Row 7: P2, * yo, k2tog, yo, k1, yo, k2, ssk, yo, k2, (ssk, yo) twice, p2; repeat from * to end.
Row 9: P2, * yo, k2tog, yo, k3, yo, k2, ssk twice, (ssk, yo) twice, p2; repeat from * to end.
Row 11: P2, * (yo, k2tog) twice, k2, yo, k1, yo, SK2P twice, ssk, yo, p2; repeat from * to end.
Row 13: P2, * (yo, k2tog) twice, k2, yo, k3, yo, SK3P, yo, p2; repeat from * to end.
Row 15: P2, * (yo, k2tog) twice, k2, yo, ssk, k2, yo, k1, yo, ssk, yo, p2; repeat from * to end.
Row 16: Knit the knit stitches, purl the purl stitches, purl the yarn over loops.

Knitting abbreviations:
K, P: Knit, purl | Yo: Yarn over | SSK: Slip slip knit.
K2tog: Knit 2 sts together | K3tog: Knit 3 sts together | K4tog: Knit 4 sts together.

SK2P: Slip stitch as if to knit, knit 2 stitches together, pass slipped stitch over.
SK3P: Slip stitch as if to knit, knit 3 stitches together, pass slipped stitch over.