PDnPDPDPDPDnPDxiLEPDxiPDPDxiPDPDPDPDxiPDPDLExiPDnPDPDPDPDxixiPDPDPDPDnPDPDxiPDxixiPDPDxixiPDPDxixiBigbangPDGDxiGD