#include <iostream>
#include<string>
#include<set>
#include<map>
#include<vector>
using namespace std;

int main()
{
    vector<string> s;
    s.push_back("1 2 3 4 ");
    s.push_back("3 4 1 2 ");
    s.push_back("2 1 4 3 ");
    s.push_back("4 3 2 1 ");
    int n=16;
    for(int i=0; i<16; i++){
        for(int j=0; j<4; j++){
            cout<<s[i%4];

        }
        cout<<"\n";
    }
    return 0;
}