040000 tree 1d71f8fe95acfb6bb2e0c42593f0d83e95ea4f3b	acceptance
040000 tree 8a5a5524662099524583cc21de350395e5466841	backend
040000 tree 973c5eb94e059b141f54bbe753cfa0f849fbc978	restapi
040000 tree 1516d379c161c3963e731810c1ca25360110590b	util