040000 tree 9a8ac481754f8f343cd00e67af211b3a7c668440	drc
040000 tree 17732f1711a79c0ac839192af1d29a84df8c98e8	models
040000 tree eb691f49529753f2dee34e0464448e48bf3ce812	scripts
040000 tree b9fd9419f0083fdc6d6ce6011eb11f5399e2d535	sky130_fd_io
040000 tree a2a483b403eb3c41d01d20836bcd8690f13c1a3b	sky130_fd_sc_hd