array start
array item: [1, 2): []
array start
array item: [2, 3): []
array start
array item: [3, 4): {}
dictionary start
container end: [3, 5): {}
container end: [2, 6): []
array item: [8, 9): {}
dictionary start
dictionary item:  -> [13, 14): {}
dictionary start
container end: [13, 15): {}
container end: [8, 16): {}
container end: [1, 17): []
container end: [0, 18): []
[]
