Shown with a cast-on count of 13 stitches.  

• Row 1 (RS): K4, knit to last 7 sts, kfb, p1, k2, yo, k1, yo, k2 (3 more sts).
• Row 2: P6, kfb, k1, purl to last 4 sts, k4 (1 more st).
• Row 3: K4, knit to last 9 sts, p3, k2, yo, k1, yo, k3 (2 more sts).
• Row 4: P8, kfb, k2, purl to last 4 sts, k4 (1 more st).
• Row 5: K4, knit to last 13 sts, kfb, p4, k3, yo, k1, yo, k4 (3 more sts).
• Row 6: P10, kfb, k3, purl to last 4 sts, k4 (1 more st).
• Row 7: K4, knit to last 16 sts, kfb, p4, k1, ssk, k5, k2tog, k1 (1 less st).
• Row 8: P8, kfb, p1, k3, purl to last 4 sts, k4 (1 more st).
• Row 9: K4, knit to last 15 sts, kfb, p3, k1, p2, ssk, k3, k2tog, k1 (1 less st).
• Row 10: P6, kfb, k1, p1, k3, purl to last 4 sts, k4 (1 more st).
• Row 11: K4, knit to last 13 sts, p3, k1, p3, ssk, k1, k2tog, k1 (2 fewer sts).
• Row 12: P4, kfb, k2, p1, k3, purl to last 4 sts, k4 (1 more st).
• Row 13: K4, knit to last 13 sts, kfb, p3, k1, p4, sl1-k2tog-psso, k1 (1 less st).
• Row 14: P2tog, BO 3 sts, k1, p1, k3, purl to last 4 sts, k4 (4 fewer sts).