#include<bits/stdc++.h>
using namespace std;
using ll=long long;
int T,n;
char dir[5]="NWSE";
int trans(char c){
	return find(dir,dir+4,c)-dir;
}
void work(){
	scanf("%d",&n);
	int cur=0;
	vector<pair<char,int>>ans;
	for(;n--;){
		char str[9];
		int x;
		scanf("%s%d",str,&x);
		int p=trans(*str);
		for(;cur!=p;)ans.push_back({'L',0}),(cur+=1)%=4;
		ans.push_back({'Z',x});
	}
	printf("%ld N\n",ans.size());
	for(auto [x,y]:ans){
		if(x=='Z')printf("%c %d\n",x,y);
		else printf("%c\n",x);
	}
}
int main(){
	for(scanf("%d",&T);T--;)work();
	return 0;
}