#include using namespace std; using ll = long long; using P = pair; const ll MOD = 1e9+7; // const ll MOD = 998244353; const ll INF = 1ll<<60; #define FOR(i,a,b) for (ll i=(a);i<(ll)(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define DEBUG(x) ; int dx[4]{0, 1, 0, -1}; int dy[4]{1, 0, -1, 0}; ll N; int main(int argc, char **argv) { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> N; vector> res(N, vector(N, 0)); REP(i, N) res[i][i] = i; REP(i, N) { ll h = i, w = i; for (ll hh = h - 1, ww = w; hh >= 0; --hh) { (ww -= (2 + w)) %= N; res[hh][ww] = i; } for (ll hh = h + 1, ww = w; hh < N; ++hh ) { (ww += 2) %= N; DEBUG(hh); DEBUG(ww); res[hh][ww] = i; } } REP(h, N) { REP(w, N) { std::cout << res[h][w]+1 << " "; } std::cout << std::endl; } exit(0); return 0; }