<<< 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" ] >>> eqn x + M + x + x + x + x + x + x + x + x + x