Shown with a cast-on count of 23 stitches.  

• Row 1 (RS): *K1, k2tog, p1, k1, p2, k1, p1, ssk, repeat from * to last st, k1 (multiple of 9 sts, plus 1).
• Row 2: P1, *p1, kfb, p1, k2, p1, kfb, p2, repeat from * (multiple of 11 sts, plus 1).
• Row 3: *K2, p2, k1, p2, k1, p2, k1, repeat from * to last st, k1.
• Row 4: P1, *[p1, k2] 3 times, p2, repeat from *.