spinning cross

#include <iostream>
using namespace std;

int main() {
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 4; j++) {
      if (i == j) {
        cout << "x";
      } else if (i + j == 3) {
        cout << "x";
      } else {
        cout << "o";
      }
    }
    cout << endl;
  }
}