040000 tree e42d7a02d7103fbf968ff969bfa47296d721c0f9	build
040000 tree c955c80c127dfa77aa2a0e99ebe50299148231da	main
040000 tree d0edf7c3eab0ad66f937a9aadd2c1399012f5134	misc
040000 tree f6f00cf1c4d412882dd13737b642b6501997cc78	test