# The format for these mobiles is as follows:
#    [left_branch, right_branch]
#    where a branch is represented as
#    [rod_length, sub_mobile or leaf weight].

good_1 = [[1,
           [[1,2], [2,1]]],
          [3,1]]

good_2 = [[4,
           [[2,
             [[1,2], [1,2]]],
            [2,
             [[9,1],
              [3,
               [[5,2], [10,1]]]]]]],
          [8,
           [[1,
             [[1,2], [2,1]]],
            [3,1]]]
          ]

bad_1 = [[5,3], [4,2]]

bad_2 = [[6, [[2,3], [4,2]]],
        [7, [[5,4], [7,5]]]]