Shown with a cast-on count of 5 stitches.  

• Row 1 (WS): BrSl, k1, p1, k1, brSl.
• Row 2: K2, M1R, k1, M1L, k2 (7 sts).
• Row 3: K1, brSl, k1, p1, k1, brSl, k1.
• Row 4: K3, M1R, k1, M1L, k3 (9 sts).
• Row 5: [BrSl, k1] twice, p1, [k1, brSl] twice.
• Row 6: K4, M1R, k1, M1L, k4 (11 sts).
• Row 7: [K1, brSl] twice, k1, p1, [k1, brSl] twice, k1.
• Row 8: K5, M1R, k1, M1L, k5 (13 sts).