R1: Start with 3 sc in the magic ring.
R2: BLO: turn, 1 ch, 1 sc, 3 sc in the same st, 1 sc.
R3: BLO: turn, 1 ch, 5 sc.
R4: BLO: turn, 1 ch, 2 sc, 3 sc in the same st, 2 sc.
R5: BLO: turn, 1 ch, 7 sc.
R6: BLO: turn, 1 ch, 3 sc, 3 sc in the same st, 3 sc.
R7: BLO: turn, 1 ch, 9 sc.
R8: BLO: turn, 1 ch, 4 sc, 3 sc in the same st, 4 sc.
R9: BLO: turn, 1 ch, 11 sc.
R10: BLO: turn, 1 ch, 5 sc, 3 sc in the same st, 5 sc.
R11: BLO: turn, 1 ch, 13 sc.
R12: BLO: turn, 1 ch, 6 sc, 3 sc in the same st, 6 sc. 1 ch.