tests/sav/balanced_brackets.res

   1 ][[]][ is not well-balanced
   2 [[]][] is well-balanced
   3 []][][ is not well-balanced
   4 [[[]]] is well-balanced
   5 [][]][ is not well-balanced
   6 ]][[][ is not well-balanced
   7 []]][[ is not well-balanced
   8 []][][ is not well-balanced
   9 [][][] is well-balanced
  10 ][]][[ is not well-balanced