040000 tree 68beb3c84e3b7c1cca1c6ae11889fb2d0d8b4ea9	build
040000 tree b983ac6a186856f1698925a0a7f11be7d7886d02	dev
040000 tree 4d100586875e887b755aa4c57483d169a3e27bcf	gui
040000 tree ef463d00cfa257212698b61df56576c0c9755d31	package
040000 tree 934ef1a80e170cc045b4a94a7d276339f49b3ea4	test
040000 tree 2420d1974a5a069cce5670392a8442b8e91b4d7b	tutorials