040000 tree 9a3b47d88e596682553db579d06bc6a0e206f5bb	algorithms
040000 tree d5c7cc15735f786f502528005f6975587b21d436	diagnostics
040000 tree bde43aff91940eb8f2cceeaf82d06bc0f227dabc	filesystem
040000 tree 423cee7b81dcc28a25c20b423a5f32dcdf4860d4	language.support
040000 tree 672e69576db06b90220b5f5d4cd6a3bade83ae2f	memory
040000 tree 6003a4c87da610745687d36fbec24578b6b4111c	numerics
040000 tree c7401b58699ad82c1f5e73734cac863aa551716f	strings
040000 tree 9d29df4464c9b2aafa99ebc99ceded5bf20edfe1	utilities