var 6

#include <iostream>
#include <cstring>

using namespace std;

struct figura {
    struct {
        float x, y;
    } centru;
    float diametru;
} c;

void numar(unsigned long n, int c, long& m) {
    m = 0;
    long p = 1;
    while(n) {
        if(n%10 != c) {
            m = p*(n%10) + m;
            p *= 10;
        }
        n /= 10;
    }
    if(m == 0) {
        m = (p == 1 ? -1 : 0);
    }
}

int main() {
    unsigned int a[22][22] = {0};
    unsigned int n;

    cin >> n;
    for(int i = 0; i < n; ++i) {
        for(int j = n-i-2; j >= 0; --j) {
            a[i][j] = a[n-1-i][n-1-j] = a[i][j+1] + 1;
        }
    }

    for(int i = 0; i < n; ++i) {
        for(int j = 0; j < n; ++j) {
            cout << a[i][j] << " ";
        }
        cout << "\n";
    }
}