#include <iostream>
#include <iomanip>
using namespace std;
int main() {
int N;
cin >> N;
if (N <= 0 || N >= 10) {
cout << "Invalid input. Please enter a number between 1 and 9." << endl;
return 1;
}
for (int i = 0; i < N; ++i) {
for (int j = 0; j < N; ++j) {
int value = N - abs(i - j);
cout << setw(3) << value;
}
cout << endl;
}
return 0;
}
/**************************************************************
Problem: 1195
User: zhenghaoxuan
Language: C++
Result: Accepted
Time:10 ms
Memory:2072 kb
****************************************************************/