Shown with a cast-on count of 74 stitches.  

• Rows 1 and 5 (RS): [P3, k4tog, [yo, k1] 5 times, yo, k4tog, p2] 4 times, purl.
• Rows 2 and 4: [K2, p13, k3] 4 times, knit.
• Row 3: [P3, k13, p2] 4 times, purl.
• Rows 6 and 8: [K2, p4, k5, p4, k3] 4 times, knit.
• Row 7: [P3, k4, p5, k4, p2] 4 times, purl.
• Rows 9 and 13: [[K1, yo] 3 times, k4tog, p5, k4tog, [yo, k1] twice, yo] 4 times, knit.
• Rows 10, 12, 14, and 16: [P6, k5, p7] 4 times, purl.
• Rows 11 and 15: [K7, p5, k6] 4 times, knit.