CO 33 sts with size 8 needles
Multiples of 4 + 1st for the rim on each edge.
Knit 1st and last row.
Row 1 (RS): 1 edge st, *T2B, T2F; rep from * to last st, 1 edge st.
Row 2 and every alt row: Purl.
Rows 3 and 7: Knit.
Row 5: 1 edge st. * T2F, T2B; rep from * to last st, 1 edge st; rep from * to end.
Row 8: Purl.
Knit last row then Bind Off.