#include<bits/stdc++.h>
#define int long long
using namespace std;
namespace IO{
    char buff[1<<21],*p1=buff,*p2=buff;
    template<typename T>
    void read(T &x){
        char ch=getchar();int fl=1;x=0;
        while(ch>'9'||ch<'0'){if(ch=='-')fl=-1;ch=getchar();}
        while(ch<='9'&&ch>='0'){x=x*10+ch-48;ch=getchar();}
        x*=fl;
    }
    template<typename T,typename ...Args>
    void read(T &x,Args& ...args){
        read(x);read(args...);
    }
    char obuf[1<<21],*p3=obuf;
    void putch(char ch){
        if(p3-obuf<(1<<21))*p3++=ch;
        else fwrite(obuf,p3-obuf,1,stdout),p3=obuf,*p3++=ch;
    }
    char ch[100];
    template<typename T>
    void write(T x){
        if(!x)return putch('0');
        if(x<0)putch('-'),x*=-1;
        int top=0;
        while(x)ch[++top]=x%10+48,x/=10;
        while(top)putch(ch[top]),top--;
    }
    template<typename T,typename ...Args>
    void write(T x,Args ...args){
        write(x);write(args...);
    }
    void flush(){fwrite(obuf,p3-obuf,1,stdout);}
}
using namespace IO;
const int N=5e5+5;
int T,p[N],x,y;
char c[N];

int tot;
char ans[N];
int res[N];

signed main(){
    cin>>T;
    while(T--){
        int n;
        cin>>n;
        x=y=0;
        for(int i=1;i<=n;i++){
            cin>>c[i]>>p[i];
            if(c[i]=='S') x+=p[i];
            else if(c[i]=='N') x-=p[i];
            else if(c[i]=='W') y-=p[i];
            else if(c[i]=='E') y+=p[i];  
        }
        tot=0;
        char cs=c[1];
        ans[++tot]='Z',res[tot]=p[1];
        for(int i=2;i<=n;i++){
            if(c[i]=='W'&&c[i-1]=='N') ans[++tot]='L';
            else if(c[i]=='E'&&c[i-1]=='N') ans[++tot]='R'; 
            else if(c[i]=='N'&&c[i-1]=='E') ans[++tot]='L'; 
            else if(c[i]=='S'&&c[i-1]=='E') ans[++tot]='R'; 
            else if(c[i]=='E'&&c[i-1]=='S') ans[++tot]='L'; 
            else if(c[i]=='W'&&c[i-1]=='S') ans[++tot]='R'; 
            else if(c[i]=='S'&&c[i-1]=='W') ans[++tot]='L'; 
            else if(c[i]=='N'&&c[i-1]=='W') ans[++tot]='R'; 

            ans[++tot]='Z',res[tot]=p[i];
        }
        cout<<tot<<" "<<cs<<"\n";
        for(int i=1;i<=tot;i++){
            cout<<ans[i];
            if(ans[i]!='L'&&ans[i]!='R') cout<<" "<<res[i];
            cout<<"\n";
        }
    }
    return 0;
}