#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<iostream> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int n,a[10][10],x=1; int main() { cin>>n; for(int k=1;k<=(n+1)/2;k++) for(int i=k;i<=n-k+1;i++){ for(int j=k;j<=n-k+1;j++){ a[i][j]=k; } } for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++) { cout<<a[i][j]<<" "; } cout<<endl; } return 0; }