040000 tree 8947b919227670d6700e5d057bb99166f19074c0	00001
040000 tree a35c58a26027235510293632583857470288ed57	02035-substring
040000 tree 3efec4a36386a099b9015c3aab0a0bbdcb9a8df4	02873-meta
040000 tree 4cfd34dc9ae6cfece974dd8578f02da6a284014a	05663-unbalanced
040000 tree 97eaae0b9aebd5a791080f4bb930d784136692b4	07452-deep