  @o[1][1]["text1"][NR] = $a;
  @o[1][2]["text2"][NR] = $b;
  @o[1][2][$a][$i*100] = $x;
  for((k1,k2),v in @o[1][2]) {
    @n[3][4][k2][k1] = v;
  }
  end {
    emit @n, "a", "b", "c", "d"
  }

