[EIdentifier "A",EPhantom (EIdentifier "A"),EIdentifier "A",ESymbol Bin "+",EFraction NormalFrac (EGrouped [ENumber "1",ESymbol Bin "+",ENumber "2",ESymbol Bin "+",ENumber "3"]) (EGrouped [ENumber "1",ESymbol Bin "+",EPhantom (EGrouped [ENumber "2",ESymbol Bin "+"]),ENumber "3"])]
