Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): *3/3 RC, k4, repeat from *.
• Rows 2, 4, 6, 8, and 10: P20.
• Row 3: *2/1 RC, yo, ssk, k2tog, yo, 2/1 LC, repeat from *.
• Rows 5 and 9: *Yo, ssk, k2tog, yo, k6, repeat from *.
• Row 7: *Yo, ssk, k2tog, yo, 3/3 RC, repeat from *.
• Row 11: *2/1 LC, yo, ssk, k2tog, yo, 2/1 RC, repeat from *.