a and d for platform
B A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V AB A L L B A C K G R O U N D P O N G L A V A
