1 try
   2 finally
   3 3
   4 try
   5 finally
   6 2
   7 3
   8 1
   9 2
  10 3
  11 4
  12 5
  13 5
  14 6
  15 6
  16 1
  17 2
  18 3
  19 4
  20 6
  21 Error: testing
  22 finally
  23 SUCCESS