#include <bits/stdc++.h>
#define fi first 
#define se second
using namespace std;
#define pb push_back
#define ls (u << 1)
#define rs (u << 1 | 1)

typedef long long LL;
typedef pair<int, int> PII;

// #define debug(args...) {}
#define debug(args...) { \
     string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); \
     stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); cout << '\n';}
void err(istream_iterator<string> it){}
template<typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
    cout << *it << " = " << a << ' ';
    err(++it, args...);
}

int mp[500], ch[500];

void solve() {
    mp['S'] = 0; mp['E'] = 1; mp['N'] = 2; mp['W'] = 3;
    ch[0] = 'S'; ch[1] = 'E'; ch[2] = 'N'; ch[3] = 'W';
    int n; cin >> n;
    int face = 0;
    string fir;
    vector<int> ans;
    for (int i = 1; i <= n; i++) {
        string op; cin >> op;
        int y; cin >> y;
        
        int now = mp[op[0]];
        if (i == 1) {
            fir = op;
            face = now;
            ans.pb(y);
        }
        else {
            if (now == (face + 1) % 4) ans.pb(-1);
            else ans.pb(-2);
            ans.pb(y);
            face = now;
        }
    }
    cout << ans.size() << ' ' << fir << "\n";
    for (auto x : ans) {
        if (x == -1) cout << "L\n";
        else if (x == -2) cout << "R\n";
        else cout << "Z" << ' ' << x << "\n";
    }
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int tt = 1; cin >> tt;
    while (tt--) solve();
    return 0;
}
/*
g++ std.cpp -Wall --extra -o std && ./std < in.txt > out.txt
*/