Shown with a cast-on count of 56 stitches.  

• Rows 1, 3, 5, and 9 (WS): Purl.
• Row 2: K1, yo, k4, [yo, k1, yo, k2, ssk, k2tog, k2] 5 times, yo, k1, yo, k4, yo, k1 (60 sts).
• Row 4: K1, yo, k6, *yo, k1, yo, k2, ssk, k2tog, k2, repeat from * to last 8 sts, yo, k1, yo, k6, yo, k1 (64 sts).
• Row 7: K1, yo, k8, *yo, k1, yo, k2, ssk, k2tog, k2, repeat from * to last 10 sts, yo, k1, yo, k8, yo, k1 (68 sts).
• Row 8 (RS): K1, yo, k3, *yo, k2tog, repeat from * to last 4 sts, yo, k1, yo, k2, yo, k1 (72 sts).
• Row 10: K1, yo, k3, yo, k2tog, knit to last 6 sts, ssk, yo, k3, yo, k1 (74 sts).