eBGDAElet ring1=96202044224342233x22002020let ring424342250062204423300X3320722082204423300X33300X33300X3320910999977772222112222322222001299997777222213222232222200149999777722221522223222220016999977772222172222322222001820423300X33300X33300X3320192020202020423300X33300X33300X3320212020202220423300X33300X33300X3320233x202020let ring2420423300X33300X33300X33202520202026243422let ring273x1,222002020283(2)(2)22002020292434223022220000003114full14full121215143212141214141214129993333912121212121212121473457575757½7357½77½77½7567036785858757653710full10full12131214123812½1215121515141239401241174214431514141644121414fulllet ring45121414464720434let ring483x222200204920434502200517full527full5315full14full5414145515full5615full57121512full5812full5920423300X33300X33300X3320603x20616214full63141614161416121512141236414121465121515full(15)15full12full15full6615full1215full121515121567121412141268121414full14141414141469=7214full14full14full14full7015full15717273674