// TLEの原因探し中...
#include <bits/stdc++.h>
using namespace std;
#define SET_A( A , N ) FOR( VARIABLE_FOR_CIN_A , 0 , N ){ cin >> A[VARIABLE_FOR_CIN_A]; }
#define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( int VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ )
#define REPEAT( HOW_MANY_TIMES ) FOR( VARIABLE_FOR_REPEAT_ ## HOW_MANY_TIMES , 0 , HOW_MANY_TIMES )
#define COUT_A( A , N ) FOR( VARIABLE_FOR_OUTPUT_ARRAY , 0 , N ){ cout << A[VARIABLE_FOR_OUTPUT_ARRAY] << (VARIABLE_FOR_OUTPUT_ARRAY==N-1?"":" "); } cout << endl

int main()
{
  int T , N , M;
  cin >> T >> N >> M;
  REPEAT( T ){
    int temp = 0;
    int L[N] = {};
    FOR( i , 0 , N ){
      temp = max( temp , L[i] );
    }
    FOR( i , 0 , N ){
      if( temp - L[i] <= M ){
	M -= L[i] = temp - L[i];
      }
    }
    cout << 1 << " ";
    COUT_A( L , N );
    cin >> M;
    SET_A( L , N );
    SET_A( L , N );
    SET_A( L , N );
  }
  return 0;
}