Shown with a cast-on count of 19 stitches.  

• Rows 1, 5, 9, and 13 (RS): *[K1, p1] twice, k2, p1, k1, p1, repeat from * to last st, k1.
• Rows 2, 6, 10, and 14: *[P1, k1] twice, p2, k1, p1, k1, repeat from * to last st, p1.
• Rows 3 and 7: *[K1, p1] twice, 1/1 RC, p1, k1, p1, repeat from * to last st, k1.
• Rows 4 and 8: P1, *[p2, k1] twice, p3, repeat from *.
• Rows 11 and 15: *K1, 1/1 RC, p1, k2, p1, 1/1 LC, repeat from * to last st, k1.
• Rows 12 and 16: P1, *p2, k1, p2, k1, p3, repeat from *.