fd1a1 fd1a2 ff1a1.v ff1a1.u ff1a1.q fd1b1 ff1b1.v ff1b1.u ff1b1.q fd1c1 ff1c1.v ff1c1.u ff1c1.q f1c1.v f1c1.u f1c1.q fd1c2 ff1c2.v ff1c2.u ff1c2.q