Shown with a cast-on count of 23 stitches.  

• Row 1 (RS): K1, *k1, yo, ssk, k4, k2tog, yo, k2, repeat from *.
• Rows 2, 4, 6, 8, and 10: Purl.
• Row 3: *K3, yo, ssk, k1, k2tog, yo, k3, repeat from * to last st, k1.
• Row 5: *K2, yo, ssk, k3, k2tog, yo, k2, repeat from * to last st, k1.
• Row 7: *K1, ssk, yo, k2tog, yo, k2, yo, ssk, yo, k2tog, repeat from * to last st, k1.
• Row 9: K1, *k4, yo, k3tog tbl, yo, k4, repeat from *.