Shown with a cast-on count of 28 stitches.  

• Rows 1 and 3 (RS): *P2, k2, k2tog, k1, yo, k1, yo, k1, ssk, k2, p1, repeat from *.
• Rows 2, 4, 6, 8, 10, and 12: *K1, p11, k2, repeat from *.
• Rows 5 and 7: *P2, k1, k2tog, k1, yo, k3, yo, k1, ssk, k1, p1, repeat from *.
• Rows 9 and 11: *P2, k2tog, k1, yo, k5, yo, k1, ssk, p1, repeat from *.
• Rows 13 and 15: *K1, yo, k1, ssk, k2, p3, k2, k2tog, k1, yo, repeat from *.
• Rows 14 and 16: *P3, p2, k3, p2, p4, repeat from *.
• Rows 17 and 19: *K2, yo, k1, ssk, k1, p3, k1, k2tog, k1, yo, k1, repeat from *.
• Rows 18, 20, 22, and 24: *P5, k3, p6, repeat from *.
• Rows 21 and 23: *K3, yo, k1, ssk, p3, k2tog, k1, yo, k2, repeat from *.