update = 6;
newplane = 6;
width = 30;
height = 21;

exit:		( 13  0 x ) (  0 10 d ) ;

beacon:		(  6  3 ) ( 19  4 ) ( 27  4 )
		( 27 10 )
		( 27 16 ) ( 13 16 ) (  6 16 )
		( 13 10 )
		( 19 10 ) ;

airport:	(  6  5 w ) ( 23  4 a )
		( 19  7 w ) ( 25 10 d )
		( 24 16 a ) ( 13 13 x )
		(  6 13 w ) ;

line:		[ ( 13  1 ) ( 13  9 ) ]
		[ ( 13 11 ) ( 13 12 ) ]
		[ ( 13 14 ) ( 13 15 ) ]
		[ (  7 16 ) ( 12 16 ) ]
		[ ( 18  5 ) ( 14  9 ) ]
		[ (  6 14 ) (  6 15 ) ]
		[ (  6 11 ) (  6 12 ) ]
		[ (  6  6 ) (  6  9 ) ]
		[ (  1 10 ) ( 12 10 ) ]
		[ ( 27  5 ) ( 27  9 ) ]
		[ ( 27 11 ) ( 27 15 ) ] ;