Shown with a cast-on count of 15 stitches.  

• Row 1 (RS): P7, k1, p7.
• Row 2: K7, p1, k7.
• Rows 3 and 23: P6, k1, p1, k1, p6.
• Rows 4 and 24: K6, p1, k1, p1, k6.
• Rows 5 and 21: P5, k1, p1, k1, p1, k1, p5.
• Rows 6 and 22: K5, p1, k1, p1, k1, p1, k5.
• Rows 7 and 19: P4, k1, p1, k1, p1, k1, p1, k1, p4.
• Rows 8 and 20: K4, p1, k1, p1, k1, p1, k1, p1, k4.
• Rows 9 and 17: P3, k1, p1, k1, p1, k1, p1, k1, p1, k1, p3.
• Rows 10 and 18: K3, p1, k1, p1, k1, p1, k1, p1, k1, p1, k3.
• Rows 11 and 15: P2, k1, p1, k1, p1, k1, p1, k1, p1, k1, p1, k1, p2.
• Rows 12 and 16: K2, p1, k1, p1, k1, p1, k1, p1, k1, p1, k1, p1, k2.
• Row 13: *K1, p1, repeat from * to last st, p1.
• Row 14: *P1, k1, repeat from * to last st, k1.