#include<bits/stdc++.h>
#define int long long
#define double long double
#define x first
#define y second
using namespace std;
typedef long long LL;
typedef long long ll;
typedef pair<int,int> PII;
const int N=3e5+10;
const int M=1e3+10;
int mod=1e9+7;
int a[N];

void solve(){
    int m;cin>>m;
    vector<pair<char,int>> v;
    char ans;
    int las=-1;
    map<char,int>mp;
    mp['N']=0;
    mp['S']=1;
    mp['W']=2;
    mp['E']=3;
    for(int i=1;i<=m;i++){
        char c;cin>>c;
        int x;cin>>x;
        if(i==1){
            ans=c;
            v.push_back({'Z',x});
            las=mp[c];
            continue;
        }
        if(las==0){
            if(mp[c]==2) v.push_back({'L',-1});
            else v.push_back({'R',-1});
            v.push_back({'Z',x});
        }else if(las==1){
            if(mp[c]==3) v.push_back({'L',-1});
            else v.push_back({'R',-1});
            v.push_back({'Z',x});
        }else if(las==2){
            if(mp[c]==1) v.push_back({'L',-1});
            else v.push_back({'R',-1});
            v.push_back({'Z',x});
        }else if(las==3){
            if(mp[c]==0) v.push_back({'L',-1});
            else v.push_back({'R',-1});
            v.push_back({'Z',x});
        }
        las=mp[c];
    }
    cout<<v.size()<<" "<<ans<<"\n";
    for(auto it:v){
        if(it.y==-1) cout<<it.x<<"\n";
        else cout<<it.x<<" "<<it.y<<"\n";
    }
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    int _;
    _=1;
    cin>>_;
    while(_--){
        solve();
    }
}