// TLEの原因探し中...
#include <bits/stdc++.h>
using namespace std;

#define COUT_A( A , N ) for( int v = 0 ; v < N ; v++ ){ cout << A[v] << (v==N-1?"":" "); } cout << endl

int main()
{
  int T , N , M;
  cin >> T >> N >> M;

  for( int t = 0 ; t < T ; t++ ){
    int L[N] = {};
    cout << 1 << " ";
    COUT_A( L , N );
    
    cin >> M;
    for( int j = 0 ; j < 3 ; j++ ){
      for( int i = 0 ; i < N ; i++ ){
	cin >> L[i];
      }
    }
    
  }
  return 0;
}