#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 10;
int a[N];
typedef pair<char, int> PII;
PII ans[N];
int d[300];
void solve()
{
    d['N'] = 1, d['E'] = 2, d['S'] = 3, d['W'] = 4;
    int n;
    cin >> n;
    int now = 0, m = 0;
    char bg = ' ';
    for (int i = 1; i <= n; i++)
    {
        char t;
        int x;
        cin >> t >> x;
        if (i == 1)
        {
            bg = t;
            now = d[t];
            ans[++m] = {'Z', x};
            continue;
        }

        if (now - d[t] == 1 || now - d[t] == -3)
        {
            ans[++m] = {'L', 0};
            ans[++m] = {'Z', x};
        }
        else
        {
            ans[++m] = {'R', 0};
            ans[++m] = {'Z', x};
        }
        now = d[t];
    }

    cout << m << ' ' << bg << '\n';
    for (int i = 1; i <= m; i++)
    {
        cout << ans[i].first;
        if (ans[i].second != 0)
            cout << ' ' << ans[i].second << '\n';
        else
            cout << '\n';
    }
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T;
    cin >> T;
    while (T--)
        solve();
    return 0;
}