#include "bits/stdc++.h"
using namespace std;

#define ll long long
#define ull unsigned long long
#define MOD ((int) (1e9) + 7)
#define pii pair<int, int>

#define N 500010

char d;
int x;

int main() {
#ifdef TEST
    freopen("zz.in", "r+", stdin);
#endif
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    unordered_map<char, int> r;
    r['N'] = 0;
    r['E'] = 1;
    r['S'] = 2;
    r['W'] = 3;

    int t; cin >> t;
    while (t --) {
        int n; cin >> n;
        vector<pair<char, int>> res;

        cin >> d >> x;
        res.emplace_back(d, -1);
        res.emplace_back('Z', x);
        
        char cur = d;
        for (int i = 1; i < n; ++ i) {
            cin >> d >> x;
            if ((r[cur] + 1) % 4 == r[d]) {
                res.emplace_back('R', -1);
            } else {
                assert((r[cur] + 3) % 4 == r[d]);
                res.emplace_back('L', -1);
            }
            res.emplace_back('Z', x);
        }

        cout << res.size() - 1 << ' ';
        for (auto [x, y] : res) {
            if (y == -1) {
                cout << x << '\n';
            } else {
                cout << x << ' ' << y << '\n';
            }
        }
    }

    return 0;
}