040000 tree 1667db90f3107b9b554dec7e1cc720fa0653415c	python
040000 tree 242f29a2935de4b67ce7c039aee9e2a73b8cc4a5	repo
040000 tree 1f3b14c2a20727d0bcff866c8bbd17f63f2e1ed7	unix
040000 tree 04ffe3dceaff68835df59b4553c5274342c350f0	windows