#include <iostream>
#include <vector>
using namespace std;

int main() {
	
	int n;
	cin >> n;
	vector<vector<int>> M(n, vector<int>(n));
	

	for (int i = 0; i < M.size(); i = i + 1) {
		for (int j = 0; j < M[i].size(); j = j + 1) {
			M[i][j] = abs(i - j);
		}
	}
	
	for (auto&v : M) {
		for (auto& a : v) {
			cout << a << " ";
		}
		cout << endl;
	}
	
	return 0;
}