040000 tree ca3e21cdc6ee996b58cf8f9e7e32afba5f7d4a43	bank
040000 tree c5537398a2ecf8cb62021730bb36057d21fc3f91	bank_ws_addressing
040000 tree 6e2c71b0089b0cf9abb7420145a881bbb2cba17c	hello_world