<<< native [ EDelimited "(" ")" [ Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") , Right (ESymbol Bin "+") , Right (EIdentifier "x") ] ] >>> eqn left ( x + x + x + x + x + x + x + x + x + x + x + x + x right )