1 [object Object]
   2 A big fat string
   3 123
   4 function(x) { return x; }
   5 proto
   6 A big fat string
   7 123
   8 function(x) { return x; }
   9 A A big fat string
  10 B 123
  11 F function(x) { return x; }
  12 G proto
  13 R A big fat string
  14 S 123
  15 T function(x) { return x; }