/**
 *    title:  c.cpp
 *    author:  Proaes Meluam
 *    created:  2024-11-05 17:33:42
**/
#include <bits/stdc++.h>
#ifdef LOCAL
#include "algo/debug.h" 
#else
#define debug(...) 42
#endif
using namespace std;
using ll = long long;
using ull = unsigned long long;
const double pi = acos(-1);
const double E = exp(1);
constexpr ll mod = 1e9 + 7;
// constexpr int inf = 0x3f3f3f3f;
constexpr ll inf = 0x3f3f3f3f3f3f3f3f;

int check(char a, char b){
    if(a=='S'&&b=='E'){
        return 'L';
    }
    if(a=='S'&&b=='W'){
        return 'R';
    }

    if(a=='E'&&b=='N'){
        return 'L';
    }
    if(a=='E'&&b=='S'){
        return 'R';
    }

    if(a=='N'&&b=='W'){
        return 'L';
    }
    if(a=='N'&&b=='E'){
        return 'R';
    }
    
    if(a=='W'&&b=='N'){
        return 'R';
    }
    if(a=='W'&&b=='S'){
        return 'L';
    }
    
}

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int tt;
    cin>>tt;
    while(tt--){
        int n;
        cin>>n;
        vector<char>a(n);
        vector<int>b(n);
        for(int i=0;i<n;i++){
            cin>>a[i];
            cin>>b[i];
        }
        // for(int i=0;i<n;i++){
        //     cout<<a[i]<<" ";
        // }
        vector<tuple<char, int>>tl;
        tl.emplace_back(a[0], -1);
        tl.emplace_back('Z', b[0]);
        for(int i=1;i<n;i++){
            if(check(a[i-1],a[i]) == 'R'){
                tl.emplace_back('R', -1);
                tl.emplace_back('Z', b[i]);
                // cout<<"R"<<"\n"<<"Z"<<" "<<b[i]<<"\n";
            }else if(check(a[i-1],a[i])=='L'){
                tl.emplace_back('L', -1);
                tl.emplace_back('Z', b[i]);
                // cout<<"L"<<"\n"<<"Z"<<" "<<b[i]<<"\n";
            }
        }
        int len = tl.size();
        cout << len - 1 << " " << a[0] << "\n";
        for(int i=1; i < len; i++){
            char c = get<0>(tl[i]);
            int m = get<1>(tl[i]);
            if (m == -1) {
                cout << c << "\n";
            } else {
                cout << c << " " << m << "\n";
            }
            // if(c1 == 'R'){
            //     cout<<c1<<"\n"<<c2<<" "<<m<<"\n";
            // }else if(c1 == 'L'){
            //     cout<<c1<<"\n"<<c2<<" "<<m<<"\n";
            // }
        }
    }
}