#include<bits/stdc++.h>
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;

const int N=1e5+5;
int n;
int dir;
int toi[N];
vector<int> ans;

pii input()
{
    char s[5];
    int d;
    scanf("%s%d",s,&d);
    return pii{toi[s[0]],d};
}

void output()
{
    printf("%d S\n",ans.size());
    for(int x:ans)
    {
        if(x>0) printf("%c\n",x==1?'L':'R');
        else printf("Z %d\n",-x);
    }
}

void solve()
{
    scanf("%d",&n);
    ans.clear();
    dir=0;
    for(int cs=1;cs<=n;cs++)
    {
        auto[vdir,d]=input();
        if(vdir!=dir) ans.pb((vdir-dir+4)%4),dir=vdir;
        ans.pb(-d);
    }
    output();
}

int main()
{
    toi['S']=0,toi['E']=1,toi['N']=2,toi['W']=3;
    int T=1;
    scanf("%d",&T);
    for(int cs=1;cs<=T;cs++) solve();
}