Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): *K1, yo, ssk, p7, k2tog, yo, repeat from * to last st, k1.
• Rows 2, 4, 6, and 8: Purl.
• Row 3: *K2, yo, ssk, p5, k2tog, yo, k1, repeat from * to last st, k1.
• Row 5: *K3, yo, ssk, p3, k2tog, yo, k2, repeat from * to last st, k1.
• Row 7: *K4, yo, ssk, p1, k2tog, yo, k3, repeat from * to last st, k1.