040000 tree 9a8ac481754f8f343cd00e67af211b3a7c668440	drc
040000 tree 17732f1711a79c0ac839192af1d29a84df8c98e8	models
040000 tree a981b53e2e14c20c4503e7964e3a3688fe56d496	scripts
040000 tree e9f016e6e678b92bf03ae5074c70e28576ea75d3	sky130_fd_io