Shown with a cast-on count of 24 stitches.  

• Row 1 (RS): *P2tog, [k1, p1] twice, k1, [yo, k1] twice, p1, k2tog, repeat from *.
• Row 2: *P1, k1, repeat from *.
• Row 3: *P2tog, [p1, k1] twice, yo, p1, k1, p1, yo, k1, k2tog, repeat from *.
• Row 4: *P3, k1, p1, k1, p2, k1, p1, k2, repeat from *.
• Row 5: *P2tog, k1, p1, k1, yo, [k1, p1] twice, k1, yo, k2tog, repeat from *.
• Row 6: *[P1, k1] 3 times, p3, k1, p1, k1, repeat from *.
• Row 7: *P2tog, p1, k1, yo, k1, yo, [k1, p1] twice, k1, k2tog, repeat from *.
• Rows 8 and 12: *P2, [k1, p1] 4 times, k2, repeat from *.
• Row 9: *P2tog, k1, yo, p1, k1, p1, yo, [k1, p1] twice, k2tog, repeat from *.
• Row 10: *[P1, k1] twice, p1, [p1, k1] twice, p2, k1, repeat from *.
• Row 11: *P2tog, yo, [k1, p1] twice, k1, yo, k1, p1, k1, k2tog, repeat from *.