#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f(i,a,b) for(ll i=a;i<=b;i++)
ll rd(){
    ll x=0,f=1;char c=getchar();
    while(!isdigit(c)){if(c=='-')f=-1;c=getchar();}
    while(isdigit(c)){x=x*10+c-'0';c=getchar();}
    return x*f;
}
#define d rd()
ll T,n;
ll dx[4]={0,1,0,-1};
ll dy[4]={1,0,-1,0};
map<char,ll>mp;
char f[1000010];
char res[100010];
ll t[100010];
int main(){
    mp['E']=0;mp['S']=1,mp['W']=2,mp['N']=3;
    T=d;while(T--){
        n=d;ll m=0;char C;
        f(i,1,n){
            cin>>f[i];ll x=d;
            if(i==1){C=f[1],res[++m]='Z',t[m]=x;continue;}
            else{
                ll o=mp[f[i-1]],p=mp[f[i]];
                while(1){
                    if(o==p)break;
                    o=(o+1)%4;
                    res[++m]='R';
                }
                res[++m]='Z',t[m]=x;
            }
        }cout<<m<<" "<<C<<endl;
        f(i,1,m){
            if(res[i]=='R')cout<<'R'<<endl;
            else cout<<"Z"<<" "<<t[i]<<endl;
        }
    }
    return 0;
}