screen 800 600 90

cars 4
cars/car1
cars/car2
cars/car3
cars/car4

tracks 22
tracks/track1
tracks/track2
tracks/track3
tracks/track4
tracks/track5
tracks/track6
tracks/track7
tracks/track8
tracks/track9
tracks/track10
tracks/track11
tracks/track12
tracks/track13
tracks/track14
tracks/track15
tracks/track16
tracks/track17
tracks/track18
tracks/track19
tracks/track20
tracks/track21
tracks/track22
