Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): *[K1, p1] 3 times, k4, repeat from * to last st, k1.
• Rows 2 and 8: *P4, [k1, p1] 3 times, repeat from * to last st, p1.
• Rows 3 and 7: *K3, [p1, k1] twice, p1, k2, repeat from * to last st, k1.
• Rows 4 and 6: *P2, [k1, p1] twice, k1, p3, repeat from * to last st, p1.
• Row 5: *K5, [p1, k1] twice, p1, repeat from * to last st, k1.