Shown with a cast-on count of 44 stitches.  

• Row 1 (RS): [K1, p1] 22 times.
• Rows 2 and 10: *K1, p1, repeat from *.
• Row 3: K1, M1L, *p1, k1, repeat from * to last st, p1, M1R (46 sts).
• Row 4: *P1, k1, repeat from * to last 2 sts, p1, k1.
• Row 5: K1, M1L, *k1, p1, repeat from * to last st, M1R, k1 (48 sts).
• Row 6: K1, *p1, k1, repeat from * to last st, k1.
• Row 7: K1, M1L, *p1, k1, repeat from * to last st, p1, M1R (50 sts).
• Row 8: P1, *k1, p1, repeat from * to last st, p1.
• Row 9: K1, M1L, *k1, p1, repeat from * to last st, k1, M1R (52 sts).
• Row 11: BO 6 sts, *p1, k1, repeat from * to last 7 sts, p1, BO 5 sts (41 sts).