#include <iostream>
#include <vector>

int main()
{
    unsigned int n = 9;
    std::vector<char> result(n*n, ' ');
    for (unsigned int i = 0; i < n; i++) result[i*(n+1)] = result[(i+1)*(n-1)] = 'x';
    for (unsigned int i = 0; i < n; i++) std::cout << std::string(result.begin() + i*n, result.begin() + (i+1)*n) << std::endl;
    return 0;
}