update = 5;
newplane = 5;
width = 30;
height = 21;

exit:		(  0 10 d ) (  6  0 x )
		( 12  0 x ) ( 18  0 x )
		( 24  0 x ) ( 29 10 a )
		( 24 20 w ) ( 18 20 w )
		( 12 20 w ) (  6 20 w ) ;

beacon:		(  6 10 ) ( 12 10 ) ( 18 10 ) ( 24 10 )
		(  6  5 ) ( 12  5 ) ( 18  5 ) ( 24  5 )
		( 12 15 ) ( 18 15 ) ;

airport:	(  9 15 a ) ( 21 15 d ) ( 15  5  d ) ;

line:		[ (  6  1 ) (  6  4 ) ]
		[ ( 12  1 ) ( 12  4 ) ]
		[ ( 18  1 ) ( 18  4 ) ]
		[ ( 24  1 ) ( 24  4 ) ]
		[ (  6  6 ) (  6  9 ) ]
		[ ( 12  6 ) ( 12  9 ) ]
		[ ( 18  6 ) ( 18  9 ) ]
		[ ( 24  6 ) ( 24  9 ) ]
		[ ( 12 11 ) ( 12 14 ) ]
		[ ( 18 11 ) ( 18 14 ) ]
		[ (  6 11 ) (  6 19 ) ]
		[ ( 24 11 ) ( 24 19 ) ]
		[ ( 12 16 ) ( 12 19 ) ]
		[ ( 18 16 ) ( 18 19 ) ]
		[ (  7  5 ) ( 11  5 ) ]
		[ ( 19  5 ) ( 23  5 ) ]
		[ ( 13 15 ) ( 17 15 ) ]
		[ (  1 10 ) (  5 10 ) ]
		[ (  7 10 ) ( 11 10 ) ]
		[ ( 13 10 ) ( 17 10 ) ]
		[ ( 19 10 ) ( 23 10 ) ]
		[ ( 25 10 ) ( 29 10 ) ] ;