Shown with a cast-on count of 40 stitches.  

• Row 1 (RS): *K4, yo, k3, sl2-k1-p2sso, yo, k1, yo, sl2-k1-p2sso, k3, yo, k3, repeat from *.
• Rows 2, 4, 6, and 8: *P20, repeat from *.
• Row 3: *K3, yo, k3, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, k3, yo, k2, repeat from *.
• Row 5: *K2, yo, k3, sl2-k1-p2sso, yo, k5, yo, sl2-k1-p2sso, k3, yo, k1, repeat from *.
• Row 7: *K1, yo, k3, sl2-k1-p2sso, yo, k7, yo, sl2-k1-p2sso, k3, yo, repeat from *.