040000 tree 5b3ee4cf4258303f67cfaf09cfd1a578b03e1be0	sky130_fd_io
040000 tree 625e9a0feb909947b95babd9bc3ea5f068939ffc	sky130_fd_pr
040000 tree e40c8ab9ca2eb343896ca50853b1593a95fee8af	sky130_fd_sc_hd
040000 tree 789dbc584b17c9fbc063bb23e7b597dea1f0d7ff	sky130_fd_sc_hvl
040000 tree ca076f97178c1944e406ca5ba5e97dc9d90a2211	sky130_ml_xx_hd