Base rnd, each side: Multiple of 9 + corner sts.
Begin 1 st to left of corner st.
Rnds 1 and 2: Ch 3 (counts as dc), dc in each dc around, placing 5 dc in each corner st, join with slip st to top of ch-3.
Rnd 3: Ch 7 (counts as dc and ch 4), *skip 3 dc, [sc in next dc, ch 4, skip 3 dc, dc in next 2 dc, ch 4, skip 3 dc] to corner st, 3 sc in corner st — corner group made, ch 4, skip 3 dc, dc in next 2 dc, ch 4; rep from * around, ending skip 3 dc, dc in next dc, join with slip st to top of ch-3.
Rnd 4: Ch 1, sc in same st, *[ch 4, sc in next sc, ch 4, sc in next 2 dc] to corner group, ch 5, skip 1 sc, 3 sc in corner sc, skip 1 sc, ch 5, sc in next 2 dc; rep from * around, omitting last sc, join with slip st to first sc.
Rnd 5: Ch 1, sc in same st, *ch 3, insert hook into ch-4 space and pull up a loop, skip 1 sc, insert hook into next ch-4 space and pull up a loop, yarn over and pull through all 3 loops on hook to sc2tog, (ch 3, sc in next sc) two times] to corner group, ch 5, skip 1 sc, (sc, ch 3, sc) in corner st, ch 5, skip 1 sc, sc in next sc, ch 3, ** sc in next sc; rep from * around, ending last rep at **, join with slip st to first sc. Fasten off.
