Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): *Ssk, yo, k2tog, k2, k2tog, yo, ssk, repeat from * (multiple of 8 sts).
• Rows 2 and 4: *P1, k1, p4, k1, p1, repeat from *.
• Row 3: *K1, yo, k2tog, k2, k2tog, yo, k1, repeat from *.
• Row 5: *K3, yo, k2, yo, k3, repeat from * (multiple of 10 sts).
• Rows 6 and 8: *P3, k1, p2, k1, p3, repeat from *.
• Row 7: *K3, yo, ssk, k2tog, yo, k3, repeat from *.