040000 tree f2a21d9f2b32de68671e8abd40aeb024200a19d0	multiple-neighbors
040000 tree d564d0bc3dd917926892c55e3706cc116d5b165e	no-link
040000 tree 6e4d24f88c7fd1fd8f5439888a0f870bda9f6fe9	single-link
040000 tree 502ae092636de276a7398ea187a902dc3a4b7010	two-links