SFB=[YR=2001] W100S10E90S10E10 BAS=[YR=2001] W10N10W90N10W5SFB=[YR=2001] W110S20E15N10E95N10$S10W95S10 W15S5SFB=[YR=2001] S25E215N25W10S15 W190N15W15$E15S15E190N15E10N5$ N20$.