#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ll long long
#define ull unsigned long long
#define inf 0x3f3f3f3f3f3f3f3f // int请忽略后四个3f
#define endl '\n'
#define YES cout<<"YES\n";
#define NO cout<<"NO\n";

const double eps = 1e-14;
const int maxn = 3e5 + 10;
const int mod = 998244353;

inline int read()
{
    int x = 0, f = 1;
    char ch = getchar();
    while (ch < '0' || ch > '9')
    {
        if (ch == '-')
            f = -1;
        ch = getchar();
    }
    while (ch >= '0' && ch <= '9')
        x = x * 10 + ch - '0', ch = getchar();
    return x * f;
}
void solve(int _) {
    int n;
    cin >> n;
    vector<int>v(n + 1);
    vector<char>w(n + 1);
    for (int i = 1; i <= n; i++) {
        cin >> w[i] >> v[i];
    }
    vector<pair<int,char>>ans;
    char x = w[1];
    char now=w[1];
    char qq=';';
    ans.push_back({v[1],'Z'});
    for (int i = 2; i <= n; i++) {
        if(now=='N'){
            if(w[i]=='W')ans.push_back({0,'L'});
            else ans.push_back({0,'R'});
        }else if(now=='S'){
            if(w[i]=='W')ans.push_back({0,'R'});
            else ans.push_back({0,'L'});
        }else if(now=='W'){
            if(w[i]=='N')ans.push_back({0,'R'});
            else ans.push_back({0,'L'});
        }else if(now=='E'){
            if(w[i]=='N')ans.push_back({0,'L'});
            else ans.push_back({0,'R'});
        }
        now=w[i];
        ans.push_back({v[i],'Z'});
    }
    cout<<ans.size()<<" "<<x<<endl;
    for(auto [a,b]:ans){
        if(a==0)cout<<b<<endl;
        else cout<<b<<" "<<a<<endl;
    }


}
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int _ = 1;
    cin >> _;
    for (int i = 1; i <= _; i++) {
        solve(i);
    }
}