update = 5;
newplane = 6;
width = 29;
height = 21;

exit:		(  0  0 c ) ( 14  0 x ) ( 28  0 z )
		( 28 10 a )
		( 28 20 q ) ( 14 20 w ) (  0 20 e )
		(  0 10 d ) ;

beacon:		(  4  4 ) ( 14  4 ) ( 24  4 )
		( 24 10 )
		( 24 16 ) ( 14 16 ) ( 4 16 )
		(  4 10 )
		( 14 13 ) ( 14  7 ) ;

airport:	(  9  7 a ) ( 19  7 d )
		( 19 13 d ) (  9 13 a ) ;

line:		[ (  1  1 ) (  3  3 ) ]
		[ ( 14  1 ) ( 14  3 ) ]
		[ ( 27  1 ) ( 25  3 ) ]
		[ (  5  4 ) ( 13  4 ) ]
		[ ( 15  4 ) ( 23  4 ) ]
		[ (  4  5 ) (  4  9 ) ]
		[ ( 14  5 ) ( 14  6 ) ]
		[ ( 24  5 ) ( 24  9 ) ]
		[ ( 10  7 ) ( 13  7 ) ]
		[ ( 15  7 ) ( 18  7 ) ]
		[ ( 14  8 ) ( 14  9 ) ]
		[ (  1 10 ) (  3 10 ) ]
		[ (  5 10 ) ( 23 10 ) ]
		[ ( 25 10 ) ( 27 10 ) ]
		[ (  4 11 ) (  4 15 ) ]
		[ ( 14 11 ) ( 14 12 ) ]
		[ ( 24 11 ) ( 24 15 ) ]
		[ ( 10 13 ) ( 13 13 ) ]
		[ ( 15 13 ) ( 18 13 ) ]
		[ ( 14 14 ) ( 14 15 ) ]
		[ (  5 16 ) ( 13 16 ) ]
		[ ( 15 16 ) ( 23 16 ) ]
		[ (  3 17 ) (  1 19 ) ]
		[ ( 14 17 ) ( 14 19 ) ]
		[ ( 25 17 ) ( 27 19 ) ] ;