040000 tree 1aeb77c0ee9828efc82ee4c519b720f76cbf95ea	gds
040000 tree 2553a0d4264ffb3bfd4d7cc936f42b845bc5138a	lef
040000 tree f69f651bef4bf2acfb0405d69ba1150fbeed7637	lib
040000 tree 0470fb7cf357f7538888e24f90cf4f535906c46b	placements