Shown with a cast-on count of 38 stitches.  

• Row 1 (RS): [P1, k1] twice, p2, *3/3 LC, p4, repeat from * to last 12 sts, 3/3 LC, p2, [k1, p1] twice.
• Rows 2 and 16: [P1, k1] 3 times, p6, *k4, p6, repeat from * to last 6 sts, [k1, p1] 3 times.
• Row 3: [P1, k1] twice, p1, *3/1 RPC, 3/1 LPC, p2, repeat from * to last 13 sts, 3/1 RPC, 3/1 LPC, [p1, k1] twice, p1.
• Rows 4 and 14: P1, k1, p1, [k2, p3] twice, *[k2, p3] twice, repeat from * to last 5 sts, k2, p1, k1, p1.
• Row 5: P1, k1, p2, *3/1 RPC, p2, 3/1 LPC, repeat from * to last 14 sts, 3/1 RPC, p2, 3/1 LPC, p2, k1, p1.
• Row 6: [P1, k1] twice, p3, k4, p3, *p3, k4, p3, repeat from * to last 4 sts, [k1, p1] twice.
• Rows 7 and 11: P1, k1, p2, k3, *p4, 3/3 RC, repeat from * to last 11 sts, p4, k3, p2, k1, p1.
• Rows 8, 10, and 12: [P1, k1] twice, p3, k4, *p6, k4, repeat from * to last 7 sts, p3, [k1, p1] twice.
• Row 9: P1, k1, p2, k3, *p4, k6, repeat from * to last 11 sts, p4, k3, p2, k1, p1.
• Row 13: P1, k1, p2, *3/1 LPC, p2, 3/1 RPC, repeat from * to last 14 sts, 3/1 LPC, p2, 3/1 RPC, p2, k1, p1.
• Row 15: [P1, k1] twice, p1, *3/1 LPC, 3/1 RPC, p2, repeat from * to last 13 sts, 3/1 LPC, 3/1 RPC, [p1, k1] twice, p1.