#include<bits/stdc++.h> using namespace std; const int N=1e2; const int INF=0x3f3f3f3f; int a[N][N]; int n,m,x,y,u,c,v,sum=1,cnt; int main(){ cin>>n; for(int s=1;s<=n;s++){ for(int j=sum;j<=n;j++){ cout<<j<<" "; } for(int i=1;i<=sum-1;i++){ cout<<n-i<<" "; } cout<<endl; sum++; } return 0; } //114514 //:) //周芮进的神秘作品 //幺幺四五幺四