040000 tree 105c9e71079f0e401b08795260328a84e7d769d7	distributedshell
040000 tree ca7bfc2b1cdc98a12487a14751bfc3e67b371f60	distributeservice
040000 tree 886ea8725951e0f03127caa9cbe5839ec6f0ec51	pagerank
040000 tree 83dcd8c1c23c6f4bf498d7018f3abbfb36ce3bee	streaming