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

int main() {
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;
        for (int i = 1; i < n; i++) {
            for (int j = 1; j <= n - i; j++) {
                cout << "c " << j << " " << j + 1 << endl;
                cout.flush();
                char a;
                cin >> a;
                if (a == '>') {
                    cout << "s " << j << " " << j + 1 << endl;
                    cout.flush();
                }
            }
        }
        cout << "e" << endl;
        cout.flush();
    }

    return 0;
}