#include <iostream>
#include <vector>
#include <string>
#include <cstdio>
using namespace std;

int check(string mov ,int num){

            if (mov[0] == 'L')
                return num -1;
            else if (mov[0] == 'R')
                return num+1;
            else return 0;
}

int check2(vector<string> v , int pos){


            char last = v[pos].back();
            int compare = last - '0' ;

            if (v[compare-1].front() == 'S' ){

                return check2(v,compare-1);

            }else{
                        return check(v[compare-1],0);
            }
}

int main(){

    string count;
    getline(cin,count);

    for (int i = 0; i < std::stoi(count); ++i)
    {

        vector<string> instructions;

        int pos = 0;
        int test =0;
        string in;

        string qtd;
        getline(cin,qtd);

        int aux = std::stoi(qtd);

        //prencher vetor de instrucoes
        for (int j = 0; j < aux; ++j)
        {

                getline(cin,in);
                instructions.push_back(in);
            }

            //percorre o vetor ate achar alguma istrucao que comeca com S
        for (int q = 0; q < instructions.size(); ++q)
        {

                //achou chama check2 pra recursao
                if (instructions[q].front() == 'S'){

                    test = test + check2(instructions,q);


                }else{
                    //aqui eu apenas uso left/right
                    test = test + check(instructions[q],pos);

                }

        }
        cout << test << endl;
        test = 0;
    }
  return 0;
    }