Techniques used 
K: Knit
P: Purl
Yo: Yarn over
K2tog: Knit 2 together
Ssk: Slip slip knit
Sk2p: Slip 1, knit 2 together, pass slipped stitch over
Pattern
Multiple of 12, + 1.
Row 1 (RS): k4, *yo, ssk, k1, k2tog, yo, k7*, yo, ssk, k1, k2tog, yo, k4.
Rows 2, 4, 6, 8, 10, 12, 14, and 16: purl.
Row 3: k1, yo, ssk, k2, *yo, sk2p, yo, k2, k2tog, yo, k1, yo, ssk, k2*, yo, sk2p, yo, k2, k2tog, yo, k1.
Row 5: k2, yo, ssk, k5, *k2tog, yo, k3, yo, ssk, k5*, k2tog, yo, k2.
Row 7: k3, yo, ssk, k3, *k2tog, yo, k5, yo, ssk, k3*, k2tog, yo, k3.
Row 9: k10, *yo, ssk, k1, k2tog, yo, k7*, yo, ssk, k1, k2tog, yo, k10.
Row 11: k4, k2tog, yo, k1, yo, ssk, *k2, yo, sk2p, yo, k2, k2tog, yo, k1, yo, ssk*, k4.
Row 13: k3, k2tog, yo, k3, yo, ssk, *k5, k2tog, yo, k3, yo, ssk*, k3.
Row 15: k2, k2tog, yo, k5, yo, ssk, *k3, k2tog, yo, k5, yo, ssk*, k2.
Repeat rows 1-16.