#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 i,j,k,n,sum=0; int a[10][10]={0}; cin>>n; for(k=0;k<n;k++){ for(i=k;i<n-k;i++){ for(j=k;j<n-k;j++){ a[i][j]=k+1; } } } for(i=0;i<n;i++){ cout<<a[i][0]; for(j=1;j<n;j++){ cout<<" "<<a[i][j]; } cout<<endl; } return 0; }