Shown with a cast-on count of 59 stitches.  

• Rows 1, 3, and 5 (RS): [Ssk] 3 times, [k1, incL] twice, k1, [incR, k1] twice, [k2tog] twice, k1, [ssk] 3 times, [k1, incL] 3 times, k1, [incR, k1] 3 times, [k2tog] 3 times, k1, [ssk] 4 times, [k1, incL] 4 times, k1, [incR, k1] 4 times, [k2tog] 3 times.
• Rows 2, 4, 6, and 12: Purl.
• Row 7: *K1, yo, repeat from * to last st, k1 (117 sts).
• Rows 8 and 10: *P1, sl1 wyib, repeat from * to last st, p1.
• Row 9: *K1, sl1 wyif, repeat from * to last st, k1.
• Row 11: *K2tog tbl, repeat from * to last st, k1 (59 sts).