#include using namespace std; #define fi first #define se second #define pb push_back using vi = vector ; using ll = long long; using pii = pair ; const ll mod = 998244353; //~ const ll mod = 1e9 + 7; ll qpow(ll a, ll b, ll m = mod) { ll r = 1, t = a; for(; b; b /= 2) { if(b & 1) r = r * t % m; t = t * t % m; } return r; } const int N = 511; int a[N][N]; int main() { ios :: sync_with_stdio(false); int n; cin >> n; for(int i = 1; i <= n; i ++) { for(int j = 1; j <= n; j ++) { int p = i + j - 1; if(p > n) p -= n; int x = i - j + 1; if(x < 1) x += n; a[i][p] = x; } } for(int i = 1; i <= n; i ++) { for(int j = 1; j <= n; j ++) cout << a[i][j] << ' '; cout << '\n'; } }