#include "bits/stdc++.h"

typedef long long ll;

using namespace std;
const int N = 1e5 + 10;
int n;
char ch[200][200];

// N 上
// S 下
// W 左
// E 右
void init() {
    ch['N']['W'] = 'L';
    ch['N']['E'] = 'R';
    ch['S']['W'] = 'R';
    ch['S']['E'] = 'L';
    ch['W']['N'] = 'R';
    ch['W']['S'] = 'L';
    ch['E']['N'] = 'L';
    ch['E']['S'] = 'R';
}

char op[N];
int Len[N];

void solve() {
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> op[i] >> Len[i];
    }
    vector<pair<char, int>> vec;
    char now = op[1];
    for (int i = 1; i <= n; i++) {
        if (now != op[i]) {
            vec.push_back({ch[now][op[i]], 0});
            now = op[i];
        }
        vec.push_back({'Z', Len[i]});
    }
    cout << vec.size() << " " << op[1] << '\n';
    for (auto [a, b]: vec) {
        if (b == 0) cout << a << '\n';
        else cout << a << " " << b << '\n';
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    init();
    int _ = 1;
    cin >> _;
    for (int o = 1; o <= _; o++) {
        solve();
    }

    return 0;
}