1 19970
   2 58562
   3 undefined
   4 null
   5 58565
   6 19970
   7 58565
   8 23940
   9 0
  10 19970
  11 58562
  12 undefined
  13 null
  14 58565
  15 19970
  16 58565
  17 23940
  18 0