<<< mml $x+M+x+x+x+x+x+x+x+x+x$ >>> native [ EIdentifier "x" , ESymbol Bin "+" , EIdentifier "M" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" , ESymbol Bin "+" , EIdentifier "x" ]