Start with a magic ring.
R1: work 3 ch, 15 dc in the round. 1 ss in the first st. [12]
R2: work 3 ch, (2 dc in next st) after the first set, then repeat 14 times. 1 ss in the first st. [30]
R3: work 3 ch, ( 1 dc, 2 dc in next st) after the first set, then repeat 14 times. 1 ss in the first st. [45]
R4: work 3 ch, ( 2 dc, 2 dc in next st) after the first set, then repeat 14 times. 1 ss in the first st. [60]
R5: work 3 ch, work front loops only(flo): 60 dc. 1 ss in the first st. [60]
R6-11: work 3 ch, (2 blo dc, 1 fpdc) after the first set, then repeat 19 times. 1 ss in the first st.