#include<bits/stdc++.h>
using namespace std;
int main(){
freopen("p1727.in","r",stdin);
freopen("p1727.out","w",stdout);
int n,i,j,a[101][101];
cin>>n;
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
a[i][j]=i;
a[j][i]=i;
}
}
for(i=n;i>=1;i--){
for(j=n;j>=1;j--){
cout<<setw(3)<<a[i][j];
}
cout<<endl;
}
fclose(stdin);
fclose(stdout);
return 0;
}
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