Wave Stitch Knitting Pattern #36

How to knit the Wave Stitch:
Work with a multiple of 24 stitches + 1 + 2 edge stitches.
Cast on 27 stitches (24 + 1 + 2 edge stitches) and work according to chart.
The chart shows only right-side Rows.
On wrong-side rows, purl all stitches and the yarn overs.
The pattern repeat is 24 stitches wide.
Begin with 1 edge stitch, work the pattern repeat throughout, end with 1 stitch after the pattern repeat and 1 edge stitch.

Abbreviation:
k: knit
p: purl
yo: yarn over
k2tog: knit 2 stitches together
skpo: slip 1 stitch as if to knit, knit 1 and pass the slipped stitch over the knitted stitch
cdd (Central Double Decrease): slip first and second stitches together as if to knit, knit 1 stitch, pass two slipped stitches over the knit stitch

Written row-by-row instructions:
Row 1 (right side): purl all stitches.
Row 2 and all even-numbered rows (wrong side): purl all stitches and the yarn overs.
Row 3: 1 edge stitch, * k1, yo, p4, k2tog, k11, skpo, p4, yo *; repeat from * to *; end with k1, 1 edge stitch.
Row 5: 1 edge stitch, * k2, yo, p4, k2tog, k9, skpo, p4, yo, k1 *; repeat from * to *; end with k1, 1 edge stitch.
Row 7: 1 edge stitch, * k3, yo, p4, k2tog, k7, skpo, p4, yo, k2 *; repeat from * to *; end with k1, 1 edge stitch.

Row 9: 1 edge stitch, * k4, yo, p4, k2tog, k5, skpo, p4, yo, k3 *; repeat from * to *; end with k1, 1 edge stitch.
Row 11: 1 edge stitch, * k5, yo, p4, k2tog, k3, skpo, p4, yo, k4 *; repeat from * to *; end with k1, 1 edge stitch.
Row 13: 1 edge stitch, * k6, yo, p4, k2tog, k1, skpo, p4, yo, k5 *; repeat from * to *; end with k1, 1 edge stitch.
Row 15: 1 edge stitch, * k7, yo, p4, cdd, p4, yo, k6 *; repeat from * to *; end with k1, 1 edge stitch.
Row 17: purl all stitches.
Rows 19 and 21: knit all stitches.
Repeat Rows 1-22 throughout.