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

using pci = pair<char, int>;

void solve() {
    int n, x = 0, y = 0;
    cin >> n;
    for(int i = 1; i <= n; i ++) {
        char c;
        int d;
        cin >> c >> d;
        if(c == 'N') y += d;
        else if(c == 'S') y -= d;
        else if(c == 'W') x -= d;
        else if(c == 'E') x += d;
    }
    assert(x != 0 || y != 0);
    if(x <= 0) {
        vector<pci> v;
        if(y < 0) {
            v.emplace_back('L', 0);
            v.emplace_back('Z', -y);
        }
        if(y > 0) {
            v.emplace_back('R', 0);
            v.emplace_back('Z', y);
        }
        cout << v.size() << " W\n";
        for(auto &[a, b] : v) {
            cout << a;
            if(a == 'Z') cout << " " << b;
            cout << "\n";
        }
    }else{
        vector<pci> v;
        v.emplace_back('Z', x);
        if(y < 0) {
            v.emplace_back('R', 0);
            v.emplace_back('Z', -y);
        }
        if(y > 0) {
            v.emplace_back('L', 0);
            v.emplace_back('Z', y);
        }
        cout << v.size() << " E\n";
        for(auto &[a, b] : v) {
            cout << a;
            if(a == 'Z') cout << " " << b;
            cout << "\n";
        }
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int T;
    cin >> T;
    while(T --) {
        solve();
    }
}