Turquoise, hdc next 4) around ending with hdc 4 Mint, sl st top beg hdc, ch-1, turn. (color sequence is now reversed)
RND 19-20: Rep color sequence as established, sl st top beg hdc, ch-1, turn. End rnd 20 fasten off Mint.
RND 21-23: Hdc ea st around, sl st top beg hdc, ch-1, turn. End rnd 23 fasten off.