Shown with a cast-on count of 23 stitches.  

• Row 1 (RS): *P1, yo, k3, k2tog, ssk, k3, yo, repeat from * to last st, p1.
• Rows 2, 4, 6, and 8: *K1, p10, repeat from * to last st, k1.
• Row 3: *P1, k1, yo, k2, k2tog, ssk, k2, yo, k1, repeat from * to last st, p1.
• Row 5: *P1, k2, yo, k1, k2tog, ssk, k1, yo, k2, repeat from * to last st, p1.
• Row 7: *P1, k3, yo, k2tog, ssk, yo, k3, repeat from * to last st, p1.