update = 7; newplane = 12; width = 15; height = 15; exit: ( 7 0 x ) ( 14 0 z ) ( 12 14 q ) ( 0 14 e ) ; beacon: ( 12 7 ) ; airport: ( 7 8 w ) ; line: [ ( 1 1 ) ( 6 6 ) ] [ ( 7 9 ) ( 12 14 ) ] [ ( 7 0 ) ( 7 14 ) ] [ ( 1 7 ) ( 11 7 ) ] ;