#include<bits/stdc++.h>
using namespace std;
template <typename T>
inline void read(T &x){
	x=0;char ch=getchar();bool f=false;
	while(!isdigit(ch))	f|=ch=='-',ch=getchar();
	while(isdigit(ch))	x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
	x=f?-x:x;return;
} 
template <typename T>
inline void print(T x){
	if(x<0)	putchar('-'),x=-x;
	if(x>9)	print(x/10);
	putchar(x%10^48);return; 
}

#define ll long long 
const int N=103;
int T; 
pair<int,int> dir[6]={{0,1},{0,-1},{-1,0},{1,0}};
map<char,int> rev;
bool vis[203][203];
pair<int,int> loc[N];
vector<pair<char,int> > ans;

int main(){
	read(T);
	rev['N']=0,rev['S']=1,rev['W']=2,rev['E']=3;
	
	while(T--){
		memset(vis,0,sizeof(vis));
		ans.clear();
		
		ans.clear();
		int n;read(n);
		int nowx=0,nowy=0;
		int edx=0,edy=0;
		int cnt=0;
		loc[++cnt]=make_pair(0,0);
		for(int i=1;i<=n;++i){
			char o;int x;cin>>o;read(x);
			int op=rev[o];
			nowx+=x*dir[op].first,nowy+=x*dir[op].second;
			loc[++cnt]=make_pair(nowx,nowy);
		}
//		puts("????");
		int now=1;
		while(now<cnt){
//			cout<<now<<"???";
			if(loc[now+1].first==loc[now].first){
				int tmp=now+1;
				for(int i=now+2;i<=cnt;++i){
					if(loc[i].first!=loc[now].first) break;
					tmp=i;
				}
				if(loc[tmp].second==loc[now].second)	continue;
				else if(loc[tmp].second>loc[now].second)	ans.push_back(make_pair('N',loc[tmp].second-loc[now].second));
				else ans.push_back(make_pair('S',loc[now].second-loc[tmp].second));				
				now=tmp;
			}
			else{
				int tmp=now+1;
				for(int i=now+2;i<=cnt;++i){
					if(loc[i].second!=loc[now].second) break;
					tmp=i;
				}
				if(loc[tmp].first==loc[now].first)	continue;
				else if(loc[tmp].first>loc[now].first)	ans.push_back(make_pair('E',loc[tmp].first-loc[now].first));
				else ans.push_back(make_pair('W',loc[now].first-loc[tmp].first));	
				now=tmp;
			}
			
		}		
		if(ans.size()==0){
			print(0),putchar('\n');
		}
		else{
			print(ans.size()),putchar(' '),putchar(ans[0].first),putchar('\n');
			char lst=ans[0].first;
			for(int i=0;i<ans.size();++i){
				if(ans[i].first==lst){
					putchar('Z'),putchar(' '),print(ans[i].second),putchar('\n'); 
				}
				else{
					char tmp=ans[i].first;
					if(lst=='W'&&tmp=='N'||lst=='N'&&tmp=='E'||lst=='E'&&tmp=='S'||lst=='S'&&tmp=='W') tmp='R';
					else	tmp='L';
					putchar(tmp),putchar('\n');
					putchar('Z'),putchar(' '),print(ans[i].second),putchar('\n');
				}
			}
		}
	}
	return 0;
}