Shown with a cast-on count of 32 stitches.  

• Rows 1, 3, 5, 7, and 9 (RS): P1, *k15, p15, repeat from * to last st, p1.
• Rows 2, 4, 6, 8, and 10: K1, *k15, p15, repeat from * to last st, k1.
• Row 11: P1, *k14, p1, k1, p14, repeat from * to last st, p1.
• Row 12: K1, *k13, p1, k3, p13, repeat from * to last st, k1.
• Row 13: P1, *k12, p1, k5, p12, repeat from * to last st, p1.
• Row 14: K1, *k11, p1, k7, p11, repeat from * to last st, k1.
• Row 15: P1, *k10, p1, k9, p10, repeat from * to last st, p1.
• Row 16: K1, *k9, p1, k11, p9, repeat from * to last st, k1.
• Row 17: P1, *k8, p1, k13, p8, repeat from * to last st, p1.
• Row 18: K1, *k7, p1, k15, p7, repeat from * to last st, k1.
• Row 19: P1, *k6, p1, k17, p6, repeat from * to last st, p1.
• Row 20: K1, *k5, p1, k19, p5, repeat from * to last st, k1.
• Row 21: P1, *k4, p1, k21, p4, repeat from * to last st, p1.
• Row 22: K1, *k3, p1, k23, p3, repeat from * to last st, k1.
• Row 23: P1, *k2, p1, k25, p2, repeat from * to last st, p1.
• Row 24: K1, *k1, p1, k27, p1, repeat from * to last st, k1.
• Row 25: P1, *p1, k27, p1, k1, repeat from * to last st, p1.
• Row 26: K1, *p2, k25, p1, k2, repeat from * to last st, k1.
• Row 27: P1, *p3, k23, p1, k3, repeat from * to last st, p1.
• Row 28: K1, *p4, k21, p1, k4, repeat from * to last st, k1.
• Row 29: P1, *p5, k19, p1, k5, repeat from * to last st, p1.
• Row 30: K1, *p6, k17, p1, k6, repeat from * to last st, k1.
• Row 31: P1, *p7, k15, p1, k7, repeat from * to last st, p1.
• Row 32: K1, *p8, k13, p1, k8, repeat from * to last st, k1.
• Row 33: P1, *p9, k11, p1, k9, repeat from * to last st, p1.
• Row 34: K1, *p10, k9, p1, k10, repeat from * to last st, k1.
• Row 35: P1, *p11, k7, p1, k11, repeat from * to last st, p1.
• Row 36: K1, *p12, k5, p1, k12, repeat from * to last st, k1.
• Row 37: P1, *p13, k3, p1, k13, repeat from * to last st, p1.
• Row 38: K1, *p14, k1, p1, k14, repeat from * to last st, k1.
• Row 39: P1, *p15, k15, repeat from * to last st, p1.
• Row 40: K1, *p15, k15, repeat from * to last st, k1.
• Row 41: P1, *k1, p14, k14, p1, repeat from * to last st, p1.
• Row 42: K1, *k2, p13, k13, p1, k1, repeat from * to last st, k1.
• Row 43: P1, *k3, p12, k12, p1, k2, repeat from * to last st, p1.
• Row 44: K1, *k4, p11, k11, p1, k3, repeat from * to last st, k1.
• Row 45: P1, *k5, p10, k10, p1, k4, repeat from * to last st, p1.
• Row 46: K1, *k6, p9, k9, p1, k5, repeat from * to last st, k1.
• Row 47: P1, *k7, p8, k8, p1, k6, repeat from * to last st, p1.
• Row 48: K1, *k8, p7, k7, p1, k7, repeat from * to last st, k1.
• Row 49: P1, *k9, p6, k6, p1, k8, repeat from * to last st, p1.
• Row 50: K1, *k10, p5, k5, p1, k9, repeat from * to last st, k1.
• Row 51: P1, *k11, p4, k4, p1, k10, repeat from * to last st, p1.
• Row 52: K1, *k12, p3, k3, p1, k11, repeat from * to last st, k1.
• Row 53: P1, *k13, p2, k2, p1, k12, repeat from * to last st, p1.
• Row 54: K1, *k14, p1, k1, p1, k13, repeat from * to last st, k1.
• Row 55: P1, *k13, p1, k1, p1, k14, repeat from * to last st, p1.
• Row 56: K1, *k12, p1, k2, p2, k13, repeat from * to last st, k1.
• Row 57: P1, *k11, p1, k3, p3, k12, repeat from * to last st, p1.
• Row 58: K1, *k10, p1, k4, p4, k11, repeat from * to last st, k1.
• Row 59: P1, *k9, p1, k5, p5, k10, repeat from * to last st, p1.
• Row 60: K1, *k8, p1, k6, p6, k9, repeat from * to last st, k1.
• Row 61: P1, *k7, p1, k7, p7, k8, repeat from * to last st, p1.
• Row 62: K1, *k6, p1, k8, p8, k7, repeat from * to last st, k1.
• Row 63: P1, *k5, p1, k9, p9, k6, repeat from * to last st, p1.
• Row 64: K1, *k4, p1, k10, p10, k5, repeat from * to last st, k1.
• Row 65: P1, *k3, p1, k11, p11, k4, repeat from * to last st, p1.
• Row 66: K1, *k2, p1, k12, p12, k3, repeat from * to last st, k1.
• Row 67: P1, *k1, p1, k13, p13, k2, repeat from * to last st, p1.
• Row 68: K1, *p1, k14, p14, k1, repeat from * to last st, k1.