#include <string>
#include <vector>

using namespace std;

vector<vector<int>> solution(int n) {
    vector<vector<int>> answer;
    vector<int> ring;
    
    int i;
    int seed=n%2;
    int end=0;
    
    for(i=0;i<n;i++){
        end=end*2+1;
        ring.push_back(1);
    }
    
    for(i=0;i<end;i++){
        answer.push_back({ring[0],seed});
    }
    return answer;
}