#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define debug(x) cerr << #x << " = " << x << endl
#define inf 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second
#define endl "\n"

using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
int T = 1;

int n;

void solve(){
	using pci = pair<char, int>;
	vector<pci>v, ans;
	cin >> n;
	for (int i = 0; i < n; i ++){
		char c;
		int p;
		cin >> c >> p;
		v.pb({c, p});
	}
	char cur = v[0].fi;
	string h = "ENWS";
	map<char, int>mp;
	mp['E'] = 0;
	mp['N'] = 1;
	mp['W'] = 2;
	mp['S'] = 3;
	auto lf = [&](char c) -> char {
		int t = (mp[c] + 5) % 4;
		return h[t];
	};
	auto ri = [&](char c) -> char {
		return h[(mp[c] + 3) % 4];
	};
	for (auto [c, p] : v){
		if (cur == c){
			ans.pb({'Z', p});
		}
		else {
			if (c == lf(cur)){
				ans.pb({'L', 0});
			}
			else if (c == ri(cur)){
				ans.pb({'R', 0});
			}
			else{
				ans.pb({'L', 0});
				ans.pb({'L', 0});
			}
			ans.pb({'Z', p});
			cur = c;
		}
	}
	cout << ans.size() << ' ' << v[0].fi << endl;
	for (auto [c, p] : ans){
		if (c == 'Z') cout << c << ' ' << p << endl;
		else cout << c << endl;
	}
}

signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> T;
	while (T --){
		solve();
	}

	return 0;
}