fb hack cup ex

#include <bits/stdc++.h>
using namespace std;
#define HERE cerr << "HERE" << endl;
using ll = long long;
///********************

void setUp() {

}

void testCase() {
    int n;
    string in, out;
    cin >> n >> in >> out;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            bool ok = true;
            if (i <= j) {
                for (int k = i; k < j; k++) {
                    if (out[k] == 'N' || in[k + 1] == 'N') {
                        ok = false;
                    }
                }
            } else {
                for (int k = i; k > j; k--) {
                    if (out[k] == 'N' || in[k - 1] == 'N') {
                        ok = false;
                    }
                }
            }
            cout << (ok ? 'Y' : 'N');
        }
        cout << endl;
    }
}

signed main() {
    cin.tie(nullptr), cout.tie(nullptr);
    ios::sync_with_stdio(false);//*/
    freopen("text.in", "r", stdin);
    freopen("text.out", "w", stdout);
    ll t(1);
    cin >> t;
    setUp();
    for (ll tt = 1; tt <= t; tt++) {
        cout << "Case #" << tt << ": ";
        cout << '\n';
        testCase();
    }
    return 0;
}