#include <bits/stdc++.h>
#define sz(vec) ((ll)vec.size())
#define all(vec) vec.begin(),vec.end()
using ll = long long;
using db = double;
using i128 = __int128;
#define Emu Smile
using namespace std;

const int P = 998244353;

const string direction = "NESW";

int getdir(char c) {
	for (int i = 0; i < 4; ++i) {
		if (c == direction[i]) return i;
	}
	return -1;
}

void solve() {
	int n; cin >> n;
	vector<pair<char,int>> ret; int init_dir = 0;
	int dir = -1; char c;
	for (int i = 0, x; i < n; ++i) {
		cin >> c >> x;
		if (i == 0) {
			init_dir = getdir(c);
			dir = init_dir;
			ret.emplace_back(c, x);
		} else {
			int newdir = getdir(c);
			if ((dir + 1) % 4 == newdir) {
				ret.emplace_back('R', x);
			} else {
				ret.emplace_back('L', x);
			}
			dir = newdir;
		}
	}
	cout << sz(ret) * 2 - 1 << " ";
	for (auto [x, y] : ret) {
		cout << x << '\n';
		cout << 'Z' << " " << y << '\n';
	}
}

int main() {

	ios::sync_with_stdio(false);
	cin.tie(nullptr);

//	freopen("test.in","r",stdin);
//	freopen("test.out","w",stdout);

	cout << fixed << setprecision(10);

//	init();

	int OuO = 1;
	cin >> OuO;
	for (int piastic = 0; piastic < OuO; ++piastic) {
		solve();
	}
	return 0;
}