040000 tree 5cd5462994ef52a634c01c40e97f2dfb253f6aaf	build
040000 tree 4b67797e45d3d11549dd0e0d432d95e0a1064bd5	it
040000 tree 9981cc66d0da178fefc4ff633cc50c4f66163ae3	main
040000 tree 07b42fb96d76b5d208a24e792b45759edd07b4c5	test