Shown with a cast-on count of 37 stitches.  

• Row 1 (RS): *K2, k2tog, k2, yo, k1, yo, k2, ssk, k1, repeat from * to last st, k1.
• Rows 2, 6, 8, 12, 14, 18, 20, 24, 26, and 30: Purl.
• Rows 3, 5, 9, 11, 15, 17, 21, 23, 27, and 29: Purl.
• Rows 4 and 28: *K1, k2tog, k2, yo, k3, yo, k2, ssk, repeat from * to last st, k1.
• Rows 7 and 25: K2tog, *k2, yo, k5, yo, k2, sl1-k2tog-psso, repeat from * to last 11 sts, k2, yo, k5, yo, k2, ssk.
• Rows 10 and 22: *K3, yo, k2, sl1-k2tog-psso, k2, yo, k2, repeat from * to last st, k1.
• Rows 13 and 19: *K2, yo, k2, ssk, k1, k2tog, k2, yo, k1, repeat from * to last st, k1.
• Row 16: *K1, yo, k2, ssk, k3, k2tog, k2, yo, repeat from * to last st, k1.
• Repeat rows 1-30.