dAFCGClet ring1=120503(0)53(0)5442503(0)53(0)5let ring3308(0)38(0)34008(0)08(0)0let ring5503(0)53(0)56503(0)53(0)5let ring7308(0)38(0)381008(0)08(0)0let ring92008(0)08(0)010503(0)53(0)5let ring11503(0)53(0)512308(0)38(0)3let ring134x008(0)08(0)014503(0)53(0)5let ring15503(0)53(0)516308(0)38(0)3let ringlet ringlet ring17008(0)08(0)018503(0)53(0)5let ringlet ringlet ringlet ring19503(0)53(0)520308(0)38(0)3let ringlet ring21008(0)08(0)022305