public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int t = sc . nextInt ( ) ;
  while ( t -- != 0 ) {
    int n = sc . nextInt ( ) ;
    Queue < Integer > q = new LinkedList < > ( ) ;
    int i = 4 ;
    q . offer ( i ) ;
    while ( true ) {
      if ( q . size ( ) == n ) break ;
      i += 2 ;
      int mid = q . element ( ) ;
      if ( judge ( mid , i ) ) {
        q . add ( i ) ;
      }
      else {
        q . remove ( ) ;
        q . add ( i ) ;
      }
    }
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      System . out . print ( q . poll ( ) + " " ) ;
    }
    System . out . println ( ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int t = sc . nextInt ( ) ; while ( t -- != 0 ) { int n = sc . nextInt ( ) ; Queue < Integer > q = new LinkedList < > ( ) ; int i = 4 ; q . offer ( i ) ; while ( true ) { if ( q . size ( ) == n ) break ; i += 2 ; int mid = q . element ( ) ; if ( judge ( mid , i ) ) { q . add ( i ) ; } else { q . remove ( ) ; q . add ( i ) ; } } for ( int j = 0 ; j < n ; j ++ ) { System . out . print ( q . poll ( ) + " ▁ " ) ; } System . out . println ( ) ; } }
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