/******************************************************************************
Online C Compiler.
Code, Compile, Run and Debug C program online.
Write your code in this editor and press "Run" button to compile and execute it.
*******************************************************************************/
#include <stdio.h>
int main()
{
int n,m;
scanf("%d",&n);
m=(n/2)+1;
for(int i=1; i<=n; i++){
for(int j=1; j<=n; j++){
if(i==j){
if(i<m){
printf("%d ",(n-i+1));
}
else{
printf("%d ",i);
}
}
else if(i+j==n+1){
if(i<m)
printf("%d ",i);
else
printf("%d ",j);
}
else{
printf(" ");
}
}
printf("\n");
}
return 0;
}