#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,a[10][10]={0},min=0,sum=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++){ for(j=0;j<n;j++){ cout<<a[i][j]<<" "; } cout<<endl; } return 0; }