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040000 tree dda73826f4109106781218b711f39f7255d32f29	ndn-tools
040000 tree cdc30faf9d77c429c9da2282dab5e8d558ab06af	ndndump
040000 tree f38d130cfae330344dec6f01199126d8a905fcb8	ndnping
040000 tree 20ccb34d26b50f0bb5d026f6e20e4f834480f1e5	nfd
040000 tree 8d22f0f9c69127a5e794bc3c2b78d7f524e58c4c	repo-ng