Shown with a cast-on count of 40 stitches.  

• Row 0 (WS): P40.
• Row 1: Sl1 wyif, k2, yo, k2tog, k1, yo, ctr dbl inc, yo, k2, ssk, p1, k2tog, k3, yo, ssk, yo, k2, p1, k2tog, k1, yo, k2tog, yo, k3, yo, k4, [yo, ssk] twice, yo, k2 (45 sts).
• Row 2: Yo wrapping yarn twice, p2tog, p18, k1, p9, k1, p10, k4.
• Row 3: Sl1 wyif, k2, yo, k2tog, ssk, yo, [kfb] 3 times, yo, k2, ssk, p1, k2tog, k3, [yo, ssk] twice, p1, k2tog, yo, k2tog, [yo, k5] twice, [yo, ssk] twice, yo, k2 (49 sts).
• Row 4: Yo wrapping yarn twice, p2tog, p20, k1, p8, k1, p13, k4.
• Row 5: Sl1 wyif, k2, yo, k2tog, ssk, yo, k6, yo, k2, ssk, p1, k2tog, k3, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, yo, k7, yo, k6, yo, [ssk, yo] twice, k2 (50 sts).
• Row 6: Yo wrapping yarn twice, p2tog, p30, k1, p13, k4.
• Row 7: Sl1 wyif, k2, yo, k2tog, ssk, yo, k6, yo, k2, ssk, p1, k2tog, k3, yo, k5tog, yo, k4, p1, k4, yo, k4, ssk, yo, k1, [yo, ssk] twice, yo, k2 (49 sts).
• Row 8: Yo wrapping yarn twice, p2tog, p17, k1, p11, k1, p13, k4.
• Row 9: Sl1 wyif, k2, yo, k2tog, ssk, yo, k6, yo, k2, ssk, p1, k2tog, k2, yo, k2tog, yo, k3, ssk, p1, k2tog, k3, yo, k3, ssk, yo, k3, [yo, ssk] twice, yo, k2.
• Row 10: Yo wrapping yarn twice, p2tog, p18, k1, p10, k1, p4, [kfb] 6 times, p3, k4 (55 sts).
• Row 11: Sl1 wyif, k2, yo, k2tog, ssk, yo, p12, yo, k2, ssk, p1, k2tog, k1, yo, k2tog, yo, k3, ssk, p1, k2tog, k3, yo, k4, yo, ssk, k3, [yo, ssk] twice, yo, k2.
• Row 12: Yo wrapping yarn twice, p2tog, p19, k1, p9, k1, p4, [k2tog] 6 times, p3, k4 (49 sts).
• Row 13: Sl1 wyif, k2, yo, k2tog, ssk, yo, p6, yo, k2, ssk, p1, k2, yo, k2tog, yo, k3, ssk, p1, k2tog, k3, yo, k4, yo, ssk, k1, k2tog, [yo, k2tog] 3 times, k1 (48 sts).
• Row 14: Yo wrapping yarn twice, p2tog, p18, k1, p9, k1, p4, [k2tog] 3 times, p3, k4 (45 sts).
• Row 15: Sl1 wyif, k2, yo, k2tog, [k1, yo] twice, p3tog, yo, k2, ssk, p1, k2, yo, k2tog, yo, k3, ssk, p1, k2tog, k2, yo, ctr dbl inc, yo, k5, yo, sl1-k2tog-psso, [yo, k2tog] 3 times, k1 (47 sts).
• Row 16: Yo wrapping yarn twice, p2tog, p20, k1, p9, k1, p10, k4.
• Row 17: Sl1 wyif, k2, yo, k2tog, k1, yo, k3, yo, ssk, yo, k1, ssk, p1, k2, yo, k2tog, yo, k3, ssk, p1, k2tog, k2, yo, [kfb] 3 times, yo, k2tog, k4, ssk, [yo, k2tog] 3 times, k1 (50 sts).
• Row 18: Yo wrapping yarn twice, p2tog, p22, k1, p9, k1, p11, k4.
• Row 19: Sl1 wyif, k2, yo, k2tog, k1, yo, k5, [yo, ssk] twice, p1, [k2tog, yo] twice, k3, ssk, p1, k2tog, k2, yo, k6, yo, k2tog, k3, ssk, [yo, k2tog] 3 times, k1 (49 sts).
• Row 20: Yo wrapping yarn twice, p2tog, p21, k1, p8, k1, p12, k4.
• Row 21: Sl1 wyif, k2, yo, k2tog, k1, yo, k7, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, yo, k3, ssk, p1, k2tog, k2, yo, k6, yo, k2tog, k2, ssk, [yo, k2tog] 3 times, k1 (48 sts).
• Row 22: Yo wrapping yarn twice, p2tog, p20, k1, p21, k4.
• Row 23: Sl1 wyif, k2, yo, k2tog, k1, yo, k4, p1, k4, yo, k5tog, yo, k3, ssk, p1, k2tog, k2, yo, k6, yo, k2tog, k3, [yo, k2tog] 3 times, k1 (46 sts).
• Row 24: Yo wrapping yarn twice, p2tog, p10, [kfb] 6 times, p4, k1, p11, k1, p7, k4 (52 sts).
• Row 25: Sl1 wyif, k2, yo, k2tog, k1, yo, k3, ssk, p1, k2tog, k3, yo, ssk, yo, k2, ssk, p1, k2tog, k2, yo, p12, yo, k2tog, k3, [yo, k2tog] 3 times, k1 (51 sts).
• Row 26: Yo wrapping yarn twice, p2tog, p10, [k2tog] 6 times, p4, k1, p10, k1, p7, k4 (45 sts).
• Row 27: Sl1 wyif, k2, yo, k2tog, k1, yo, k3, ssk, p1, k2tog, k3, yo, ssk, yo, k1, ssk, p1, k2tog, k2, yo, p6, yo, k2tog, k1, ssk, [yo, k2tog] 3 times, k1 (43 sts).
• Row 28: Yo wrapping yarn twice, p2tog, p9, [k2tog] 3 times, p4, k1, p9, k1, p7, k4 (40 sts).
• Row 29: Sl1 wyif, k2, yo, k2tog, k1, yo, k3, ssk, p1, k2tog, k3, yo, ssk, yo, k2, p1, k2tog, k2, yo, p3tog, yo, k1, yo, k3, [yo, k2tog] 3 times, k1.
• Row 30: Yo wrapping yarn twice, p2tog, p16, k1, p9, k1, p7, k4.
• Repeat rows 1-30.