Shown with a cast-on count of 63 stitches.  

• Row 1 (RS): [K1, p1] 31 times, k1.
• Row 2: [P1, k1] 31 times, p1.
• Row 3: K4, [M1R, k4] 5 times, [M1R, k1, M1R, k1, M1R, k2] twice, [k1, M1L, k1, M1L, k1, M1L, k1] twice, [k3, M1L, k1] 5 times, k3 (85 sts).
• Rows 4 and 14: P2, [k1, p1] 13 times, p29, [p1, k1] 13 times, p2.
• Row 5: [K1, p1] 13 times, k2tog, yo, k29, yo, ssk, [p1, k1] 13 times.
• Row 6: P2, [k1, p1] 13 times, p7, p2tog, p4, yo, p3, yo, p4, ssp, p7, [p1, k1] 13 times, p2.
• Row 7: [K1, p1] 13 times, k8, ssk, k6, yo, k1, yo, k6, k2tog, k8, [p1, k1] 13 times.
• Row 8: P2, [k1, p1] 13 times, p5, p2tog, p5, yo, p5, yo, p5, ssp, p5, [p1, k1] 13 times, p2.
• Row 9: [K1, p1] 13 times, k2tog, yo, k4, ssk, k7, yo, k3, yo, k7, k2tog, k4, yo, ssk, [p1, k1] 13 times.
• Row 10: P2, [k1, p1] 13 times, p3, p2tog, p6, yo, p7, yo, p6, ssp, p3, [p1, k1] 13 times, p2.
• Row 11: [K1, p1] 13 times, k4, ssk, k8, yo, k5, yo, k8, k2tog, k4, [p1, k1] 13 times.
• Row 12: P2, [k1, p1] 13 times, p1, p2tog, p7, yo, p9, yo, p7, ssp, p1, [p1, k1] 13 times, p2.
• Row 13: [K1, p1] 13 times, k2tog, yo, ssk, k9, yo, k7, yo, k9, k2tog, yo, ssk, [p1, k1] 13 times.
• Row 15: [K1, p1] 13 times, k33, [p1, k1] 13 times.
• Repeat rows 4-15.