Shown with a cast-on count of 15 stitches.  

• Rows 1 and 15 (RS): K15.
• Rows 2, 4, 12, 14, and 16: K15.
• Rows 3 and 13: P15.
• Row 5: P7, *1-to-5 inc, p6, repeat from * to last st, p1 (19 sts).
• Rows 6 and 8: K7, *p5, k6, repeat from * to last st, k1.
• Row 7: P7, *k5, p6, repeat from * to last st, p1.
• Row 9: P7, *ssk, k1, k2tog, p6, repeat from * to last st, p1 (17 sts).
• Row 10: K7, *p3, k6, repeat from * to last st, k1.
• Row 11: P7, *sl1-k2tog-psso, p6, repeat from * to last st, p1 (15 sts).