Shown with a cast-on count of 22 stitches.  

• Row 1 (RS): *K3, M1L, k2tog, k1, ssk, M1L, k3, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Row 3: *K3, k2tog, yo, k1, yo, ssk, k3, repeat from *.
• Rows 5 and 7: *K2, ssk, k1, yo, k1, yo, k1, k2tog, k2, repeat from *.
• Row 9: *K2, M1R, ssk, k3, k2tog, M1R, k2, repeat from *.
• Row 11: *K3, M1R, ssk, k1, k2tog, M1R, k3, repeat from *.
• Rows 13 and 15: *K4, M1R, k3tog, M1R, k4, repeat from *.