#include <iostream> #include <vector> using namespace std; int main(){ int N; cin >> N; vector<vector<int>> v(N, vector<int>(N)); for(int i=0;i<N;i++){ for(int j=0;j<N;j++) v[i][j] = (2*i+2*j)%N; } vector<int> map(N, 0); for(int i=0;i<N;i++) map[v[i][i]] = i+1; for(int i=0;i<N;i++){ cout << map[v[i][0]]; for(int j=1;j<N;j++) cout << " " << map[v[i][j]]; cout << endl; } }