#include <bits/stdc++.h>
using namespace std;
char dir[4] = {'N','E','S','W'};
int main()
{
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        int cur = 0;
        vector<array<int,2>>ans;
        for(int i=0;i<n;i++){
            char d;
            cin>>d;
            int x;
            cin>>x;
            while(d != dir[cur]){
                ans.push_back({-1,-1});
                cur = (cur+1)%4;
            }
            ans.push_back({cur,x});
        }
        cout<<ans.size()<<" N"<<'\n';
        for(auto [x,y]:ans){
            if(x == -1)cout<<"R"<<'\n';
            else cout<<"Z "<<y<<'\n';
        }
    }


}