https://www.acmicpc.net/problem/9653
#include <iostream>
using namespace std;
int main() {
cout<<" 8888888888 888 88888"<<"\n";
cout<<" 88 88 88 88 88 88"<<"\n";
cout<<" 8888 88 88 88 88888"<<"\n";
cout<<" 88 88 888888888 88 88"<<"\n";
cout<<"88888888 88 88 88 88 888888"<<"\n";
cout<<"\n";
cout<<"88 88 88 888 88888 888888"<<"\n";
cout<<"88 88 88 88 88 88 88 88"<<"\n";
cout<<"88 8888 88 88 88 88888 8888"<<"\n";
cout<<" 888 888 888888888 88 88 88"<<"\n";
cout<<" 88 88 88 88 88 88888888"<<"\n";
}