040000 tree 125ab3b76f3ed3c80689f1bc842c130872dc36cf	counted.iterator
040000 tree 487acc5202fc5dac5c6f5e9b21d0cb57fcbdd6da	default.sentinel
040000 tree 086cf55126766b5a42fe768bff1df84ea17e0b6f	insert.iterators
040000 tree cc7e555940aa792846b65bbf4a367c44820ae163	iterators.common
040000 tree 4e20f86feab9070858406d2dc58f01a93774922b	move.iterators
040000 tree 64573b040065ec42b916516d92fc1ecd19424ce7	reverse.iterators
040000 tree be3062eca660b577918a47a9d1622155fc67edb3	unreachable.sentinel