RND 2: (2 sc next st, sc next st) twice, drop C, pick up A, rep bet () twice, sl st top beg sc, ch-1, turn. (12 sts)
RND 3: (2 sc next st, sc next st) 3 times, drop A, pick up C, rep bet () 3 times, sl st top beg sc, ch-1, turn. (18 sts)
RND 4: * (2 sc next st, sc next st) 4 times, sc next st, * drop C, pick up A, rep bet **, sl st top beg sc, ch-1, turn. (26 sts)
RND 5: * (2 sc next st, sc next st) 6 times, sc next st, * drop A, pick up C, rep bet **, sl st top beg sc, ch-1, turn. (38 sts)
RND 6: * (2 sc next st, sc next 2 sts) 6 times, sc next sc, * drop C, pick up A, rep bet **, sl st top beg sc, ch-1, turn. (50 sts)
RND 7: Sc ea A color st, drop A, pick up C, sc remaining sts, sl st top beg sc, ch-1, turn.
RND 8: Sc ea C color st, drop C, pick up A, sc remaining sts, sl st top beg sc, ch-1, turn.
RND 9-22: Rep rnd 7 and 8 alternating.
RND 23: Rep rnd 7, fasten off.