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

const vector<int>dx={1,0,-1,0};
const vector<int>dy={0,1,0,-1};
string str="SENW";

void solve(){
	int N;cin>>N;
	vector<pair<char,int>>D(N);
	for(int i=0;i<N;i++)cin>>D[i].first>>D[i].second;

	vector<pair<char,int>>ans;
	int nowd=str.find(D[0].first);
	char start=D[0].first;
	for(auto[d,c]:D){
		int nxtd=str.find(d);
		int cl=0,cr=0;
		int tmpd=nowd;
		while(tmpd!=nxtd){
			cl++;
			tmpd++;
			tmpd%=4;
		}
		tmpd=nowd;
		while(tmpd!=nxtd){
			cr++;
			tmpd+=3;
			tmpd%=4;
		}
		if(cl<cr){
			while(cl--)ans.push_back({'L',-1});
		}else{
			while(cr--)ans.push_back({'R',-1});
		}
		nowd=nxtd;
		ans.push_back({'Z',c});
	}

	cout<<ans.size()<<' '<<start<<endl;
	for(auto[d,c]:ans){
		cout<<d;
		if(c!=-1)cout<<' '<<c;
		cout<<endl;
	}
}

int main(){
	int T;cin>>T;

	while(T--)solve();
}