Shown with a cast-on count of 8 stitches.  

• Round 1: K8.
• Round 2: *K1, yo, repeat from * (16 sts).
• Rounds 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, and 41: Knit.
• Round 4: *K2, yo, repeat from * (24 sts).
• Round 6: *K3, yo, repeat from * (32 sts).
• Round 8: *K4, yo, repeat from * (40 sts).
• Round 10: *K5, yo, repeat from * (48 sts).
• Round 12: *K6, yo, repeat from * (56 sts).
• Round 14: *K7, yo, repeat from * (64 sts).
• Round 16: *K8, yo, repeat from * (72 sts).
• Round 18: *K9, yo, repeat from * (80 sts).
• Round 20: *K10, yo, repeat from * (88 sts).
• Round 22: Yo, ssk, *k9, yo, ssk, repeat from * to last 9 sts, k9.
• Round 24: K1, yo, ssk, *k9, yo, ssk, repeat from * to last 8 sts, k8.
• Round 26: K2, yo, ssk, *k9, yo, ssk, repeat from * to last 7 sts, k7.
• Round 28: K3, yo, ssk, *k9, yo, ssk, repeat from * to last 6 sts, k6.
• Round 30: K4, yo, ssk, *k9, yo, ssk, repeat from * to last 5 sts, k5.
• Round 32: K5, yo, ssk, *k9, yo, ssk, repeat from * to last 4 sts, k4.
• Round 34: K6, yo, ssk, *k9, yo, ssk, repeat from * to last 3 sts, k3.
• Round 36: K7, yo, ssk, *k9, yo, ssk, repeat from * to last 2 sts, k2.
• Round 38: K8, yo, ssk, *k9, yo, ssk, repeat from * to last st, k1.
• Round 40: K9, yo, ssk, *k9, yo, ssk, repeat from *.