1 0
   2 1
   3 2
   4 3
   5 4
   6 5
   7 6
   8 7
   9 8
  10 9
  11 ReferenceError: "i" is not defined

   1 0
   2 1
   3 2
   4 3
   5 4
   6 5
   7 6
   8 7
   9 8
  10 9
  11 ReferenceError: "i" is not defined
  12 0
  13 1
  14 2
  15 3
  16 4
  17 5
  18 6
  19 7
  20 8
  21 9
  22 0
  23 1
  24 2
  25 3
  26 4
  27 foo
  28 ReferenceError: "i" is not defined
  29 0
  30 4
  31 8
  32 12
  33 16