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040000 tree ca7aca07622f3efd3af737b8795eda54141120b6	combiner
040000 tree a40aff00abe962c4af0a8913d9dc790b8de00227	constraints
040000 tree bbf405c68f4965c890728e124ef981e05a99dd4b	dirlist
040000 tree 51aeab5b1ae0df9b0d5220b457d825673fafee7f	filedata
040000 tree abd629dd365c7b080c44a60f8051fd8704c9ae04	helloworld
040000 tree feed6ac95386f1bc5e0aaaad4c418c886c9df376	isolation
040000 tree 59d200dc6520c5f14cbdede0104269d136fecc7f	mapreduce
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