Shown with a cast-on count of 18 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, and 49 (WS): Purl.
• Row 2: K2, *k1, k2, yo, ssk, k3, repeat from *.
• Row 4: K2, *k1, k3, yo, ssk, k2, repeat from *.
• Row 6: K2, *k1, k5, k2tog, yo, repeat from *.
• Rows 8 and 38: K2, *k1, k4, k2tog, yo, k1, repeat from *.
• Rows 10, 14, 26, 28, and 36: K2, *k1, yo, ssk, k5, repeat from *.
• Rows 12 and 34: K2, *k1, k1, yo, ssk, k4, repeat from *.
• Rows 16, 22, 24, 30, 32, 40, 46, and 48: K2, *k2tog, k4, yo, k2, repeat from *.
• Rows 18, 20, 42, and 44: K2, *k1, yo, k2tog, k5, repeat from *.