#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,a[101][101],h=1,l=1; cin>>n; for(int i=1;i<=n;i++){ for(int j=i;j<=n;j++){ a[i][j]=i; } for(int j=i+1;j<=n;j++){ a[j][i]=i; } } for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ cout<<a[i][j]<<" "; } cout<<endl; } return 0; }