#include<iostream> #include<iomanip> using namespace std; int n; int main(){ cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(i+j==n-(n/2-1)||i-j==n/2||i==n/2+1&&j==n/2+1||j-i==n/2||i+j==n+(n-n/2))cout<<setw(3)<<"0"; else cout<<setw(3)<<"1"; } cout<<endl; } return 0; }