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