1update = 1; 2newplane = 4; 3width = 30; 4height = 21; 5 6exit: ( 29 7 a ) ( 29 17 a ) 7 ( 0 7 d ) ( 0 0 c ) ; 8 9beacon: ( 12 7 ) ( 12 17 ) ( 14 10 ) ( 20 15 ) ; 10 11airport: ( 20 18 d ) ; 12 13line: [ ( 1 1 ) ( 6 6 ) ] 14 [ ( 12 1 ) ( 12 6 ) ] 15 [ ( 13 7 ) ( 28 7 ) ] 16 [ ( 28 1 ) ( 13 16 ) ] 17 [ ( 1 13 ) ( 11 13 ) ] 18 [ ( 12 8 ) ( 12 16 ) ] 19 [ ( 11 18 ) ( 10 19 ) ] 20 [ ( 13 17 ) ( 28 17 ) ] 21 [ ( 1 7 ) ( 11 7 ) ] ; 22