040000 tree 456f8065bc02b6f7247294a5a2d9cba104f4dcde	sky130_fd_io
040000 tree 3c4a90a18c74557bd32cf2809e1ff80b360fc5d0	sky130_fd_pr
040000 tree 2cdbbbf1954da8cc8bf772b1598f30c09bff574a	sky130_fd_sc_hd
040000 tree 0ecaf5893d2d4a7a882214edcc16d6790597cbf3	sky130_fd_sc_hvl
040000 tree cfc8678dc2b320da9fd0d34f9799e0c0023c90c8	sky130_ml_xx_hd