RND 10: Ch-3, dc ea st and ch sp around, sl st top beg ch-3, turn. (63 sts)
RND 11: Ch-3, dc next 3 sts, * BPDC next st, dc next 4 sts * rep bet ** around, sl st top beg ch-3, turn.
RND 12: Ch-3, dc ea dc, FPDC ea BPDC, around, sl st top beg ch-3, turn.
RND 13: Ch-3, dc ea dc, BPDC ea FPDC around, sl st top beg ch-3, fasten off.