#include <vector>
#include <iostream>
using namespace std;

typedef pair<char,int> PCI;
char st[]="NESW";

int main() {
	int T;
	cin>>T;
	while(T--){
		int n;
		cin>>n;
		int idx=0;
		char sta=0,last;
		vector<PCI> a;
		while(n--){
			char op;
			int x;
			cin>>op>>x;
			if(sta==0){
				sta=last=op;
				for(int i=0;i<4;++i){
					if(st[i]==sta){
						idx=i;
						break;
					}
				}
			}
			else if(st[(idx+3)%4]==op){
				a.push_back({'L',0});
			}
			else if(st[(idx+1)%4]==op){
				a.push_back({'R',0});
			}
			a.push_back({'Z',x});
		}
		cout<<a.size()<<' '<<sta<<endl;
		for(PCI t:a){
			cout<<t.first<<' ';
			if(t.second) cout<<t.second;
			cout<<endl;
		}
	}
	return 0;
}