Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): *K4, k2tog, yo, k1, yo, ssk, k3, repeat from * to last st, k1.
• Rows 2, 4, 6, 8, and 10: Purl.
• Row 3: *K3, yo, k2tog, k3, ssk, yo, k2, repeat from * to last st, k1.
• Row 5: *K1, yo, ssk, k1, ssk, yo, k1, yo, k2tog, k1, k2tog, yo, repeat from * to last st, k1.
• Row 7: K1, *ssk, yo, k1, k2tog, yo, k1, yo, ssk, k1, yo, k2tog, k1, repeat from *.
• Row 9: *K3, k2tog, yo, k3, yo, ssk, k2, repeat from * to last st, k1.