Shown with a cast-on count of 38 stitches.  

• Row 1 (RS): *Ssk, k15, k2tog, repeat from * (multiple of 17 sts).
• Row 2: *K17, repeat from *.
• Row 3: *P17, repeat from *.
• Row 4: *P17, repeat from *.
• Row 5: *Ssk, k6, yo, k1, yo, k6, k2tog, repeat from *.
• Rows 6 and 8: *P2tog, p13, ssp, repeat from * (multiple of 15 sts).
• Row 7: *Ssk, k4, yo, k1, yo, k1, yo, k1, yo, k4, k2tog, repeat from * (multiple of 17 sts).
• Row 9: *Ssk, k2, yo, k1, yo, k1, yo, k1, yo, k1, yo, k1, yo, k1, yo, k1, yo, k2, k2tog, repeat from * (multiple of 21 sts).
• Row 10: *P2tog, p17, ssp, repeat from * (multiple of 19 sts).