With CA ch 152. Row 1 (Wrong Side): Sc in 2nd ch from hook and in next 2 ch, * ch 1, skip next ch, sc in next 5 ch; rep from * to last 4 ch; ch 1, skip next ch, sc in last 3 ch; turn – 151 sts.
Row 2: Ch 1, sc in first 3 sc, * sc in ch-1 sp, sc in next 2 sc **, ch 1, skip next sc, sc in next 2 sc; rep from * to last sc, end at **; sc in last sc, changing to CB; turn.
Row 3: With CB ch 1, sc in first sc, * 5 dc in ch-1 sp 2 rows below **, sc in ch-1 sp on last row; rep from * to last sc, end at **; sc in last sc; turn.
Row 4: Ch 1, sc in each st across, changing to CA in last sc; turn.
Row 5: With CA ch 1, sc in first 3 sc, * ch 1, skip next sc, sc in next 5 sc; rep from * to last 4 sc; ch 1, skip next sc, sc in last 3 sc; turn.

Rep Rows 2-5 four more times. *** With CA only rep Rows 2-5 twelve times **; then rep Rows 2-5 five times. Rep from *** once more, then from *** to ** once more, then rep Rows 2-5 four times, then 2-4 once – 224 rows.
Next Row-Wrong Side: With CA ch 3, * hdc in next sc, sc in next sc, ch 1, skip 1 sc, sc in next sc, hdc in next sc, dc in next sc; rep from * across; turn.
Work 1 rnd sc with CA evenly around all 4 sides, working 3 sc in each corner; join with a sl st to first sc. Fasten off. Weave in ends.