#include <iostream>
using namespace std;

int main()
{
	const int size = 9;
	for (int i = 0; i < size; i++)
		for (int j = 0; j < size; j++)
			cout << ((j == i) || (j == size - i - 1) ? 'x' : ' ') << (j == size - 1 ? '\n' : '\0');
	return 0;
}