Shown with a cast-on count of 34 stitches.  

• Rows 1, 3, 5, 7, and 9 (RS): [K1, p1] 17 times.
• Rows 2, 4, 6, 8, and 10: [K1, p1] 17 times.
• Rows 11 and 13: P11, k10, p13.
• Row 12: K13, p10, k11.
• Row 14: K2, incL, k11, p10, k9, incR, k2 (36 sts).
• Row 15: P12, k10, p14.
• Row 16: K2, incL, k12, p10, k10, incR, k2 (38 sts).
• Row 17: P13, k10, p15.
• Row 18: K2, incL, k13, p10, k11, incR, k2 (40 sts).
• Row 19: P14, k10, p16.
• Row 20: K2, incL, k14, p10, k12, incR, k2 (42 sts).
• Row 21: P15, k10, p17.
• Row 22: K2, incL, k15, p10, k13, incR, k2 (44 sts).
• Row 23: P16, k10, p18.
• Row 24: K2, incL, k16, p10, k14, incR, k2 (46 sts).
• Row 25: P17, k10, p19.
• Row 26: K2, incL, k17, p10, k15, incR, k2 (48 sts).
• Row 27: P18, k10, p20.
• Row 28: K2, incL, k18, p10, k16, incR, k2 (50 sts).
• Row 29: P19, k10, p21.
• Row 30: K2, incL, k19, p10, k17, incR, k2 (52 sts).