#include <bits/stdc++.h>
#define int long long
using namespace std;
using i128 = __int128_t;
using u128 = __uint128_t;
using ld = long double;
using i64 = long long;
using pi = pair<int,int>;
#define mem(a, b) memset((a), (b), sizeof(a))
#define all(a) (a).begin(), (a).end()
#define lowbit(x) (-x)&x
#define ls u<<1
#define rs u<<1|1
mt19937 rnd(time(0));

const i64 mod = 1e9+7;
const i64 N = 1e3+7;
const i64 inf = 1e18+7;

i64 qmi(i64 m, i128 k,i64 p = mod){i128 res = 1, t = m;while (k){if (k & 1) res = (res * t) % p;t = t * t % p;k >>= 1;}return res;}
i64 inv(i64 u){return qmi(u,mod-2);}

void solve()
{   
    string dir = "ESWN";
    int n;
    cin>>n;
    int now = 0;
    vector<string> cmd;
    string fr;
    for(int i=0;i<n;i++)
    {
        
        string di;int q;
        cin>>di>>q;
        if(i==0)
        {
            while(dir[now]!=di[0])
                now = (now+1)%4;
            fr = dir[now];
        }
        if(dir[now]!=di[0]) 
        {
            if(dir[(now+1)%4] == di[0])
                now = (now+1)%4,
                cmd.push_back("R");
            else 
                now = (now+3)%4,
                cmd.push_back("L");
        }
        cmd.push_back("Z "+to_string(q));
    }
    cout<<cmd.size()<<" "<<fr<<"\n";
    for(auto c:cmd)
        cout<<c<<"\n";
}
signed main()
{   
    // freopen("test.in","r",stdin);
    // freopen("test.out","w",stdout);
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);int T = 1;
    cin>>T;      
    while(T--) solve();
}