Shown with a cast-on count of 17 stitches.  

• Rounds 1 and 25: P4, k4, k2tog twisted, purl to last 4 sts, k1 tbl, yo, p3.
• Rounds 2 and 26: P4, k4, k1 tbl, purl to last 5 sts, k1 tbl, p4.
• Rounds 3 and 27: P4, k3, k2tog twisted, purl to last 5 sts, k1 tbl, yo, p4.
• Rounds 4 and 28: P4, k3, k1 tbl, purl to last 6 sts, k1 tbl, p5.
• Rounds 5 and 29: P4, k2, k2tog twisted, purl to last 6 sts, k1 tbl, yo, p5.
• Rounds 6 and 30: P4, k2, k1 tbl, purl to last 7 sts, k1 tbl, p6.
• Rounds 7 and 31: P4, k1, k2tog twisted, purl to last 7 sts, k1 tbl, yo, p6.
• Rounds 8 and 32: P4, k1, k1 tbl, purl to last 8 sts, k1 tbl, p7.
• Rounds 9 and 33: P4, k2tog twisted, purl to last 8 sts, k1 tbl, yo, p7.
• Rounds 10 and 34: P4, k1 tbl, purl to last 9 sts, k1 tbl, p8.
• Rounds 11 and 35: P3, k2tog twisted, purl to last 9 sts, k1 tbl, yo, p8.
• Rounds 12 and 36: P3, k1 tbl, p1, purl to last 10 sts, k1 tbl, p9.
• Rounds 13 and 37: P3, yo, k1 tbl, purl to last 10 sts, k2tog tbl, k4, p4.
• Rounds 14 and 38: P4, k1 tbl, purl to last 9 sts, k1 tbl, k4, p4.
• Rounds 15 and 39: P4, yo, k1 tbl, purl to last 9 sts, k2tog tbl, k3, p4.
• Rounds 16 and 40: P5, k1 tbl, purl to last 8 sts, k1 tbl, k3, p4.
• Rounds 17 and 41: P5, yo, k1 tbl, purl to last 8 sts, k2tog tbl, k2, p4.
• Rounds 18 and 42: P6, k1 tbl, purl to last 7 sts, k1 tbl, k2, p4.
• Rounds 19 and 43: P6, yo, k1 tbl, purl to last 7 sts, k2tog tbl, k1, p4.
• Rounds 20 and 44: P7, k1 tbl, purl to last 6 sts, k1 tbl, k1, p4.
• Rounds 21 and 45: P7, yo, k1 tbl, purl to last 6 sts, k2tog tbl, p4.
• Rounds 22 and 46: P8, k1 tbl, purl to last 5 sts, k1 tbl, p4.
• Rounds 23 and 47: P8, yo, k1 tbl, purl to last 5 sts, k2tog tbl, p3.
• Rounds 24 and 48: P9, k1 tbl, purl to last 4 sts, k1 tbl, p3.