eBGDAElet ring1=160442345678916141716101112let ringlet ring13161422201415161716141716181920let ring21161417(16)2276792324254265277282953023143233(7)(6)(7)(9)34353637(7)(6)(7)(9)let ring3839404116141413424344let ringlet ring4521191917204647484942550let ringlet ring514245253425545556let ringlet ring57425585942460let ring6142562636465666768697071727357455775476446772782247980(4)66½½½½½½let ring81161417168283843xChange tuning (R)