<<< native [ ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EGrouped [ EIdentifier "M" , EIdentifier "x" ]) (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ENumber "2") ] >>> eqn x sup 2 + x sup 2 + x sup 2 + {M x} sup 2 + x sup 2 + x sup 2 + x sup 2 + x sup 2 + x sup 2 + x sup 2