#include <bits/stdc++.h>
using ll = long long;

//按题意模拟
//一开始的方向就是那个

//R +1
std::vector<char> di = {'N', 'E', 'S', 'W'};

void solve() {
    int n;
    std::cin >> n;
    char c;
    int d;
    std::vector<std::array<int, 2>> ans; 
    char ansD;
    char last;
    for (int i = 0; i < n; i++) {
        std::cin >> c >> d;
        if (i == 0) {
            ansD = c;
            ans.push_back({0, d});
        } else {
            if (c == last) {
                ans.push_back({0, d});
            } else {
                for (int x = 0; x < 4; x++) {
                    if (di[x] == last) {
                        if (di[(x + 1) % 4] == c) {
                            ans.push_back({1, 0});
                        } else {
                            ans.push_back({-1, 0});
                        }
                        ans.push_back({0, d});
                        break;
                    }
                }
            }
        }
        last = c;
    }
    std::cout << ans.size() << " " << ansD << "\n";
    for (auto &[x, y] : ans) {
        if (x != 0) {
            std::cout << (x == 1 ? 'R' : 'L') << "\n";
        } else {
            std::cout << "Z " << y << "\n";
        }
    }
}


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

    int t;
    std::cin >> t;
    while (t--) {
        solve();
    }

    // solve();

    return 0;
}