040000 tree 302c741c97d481149fa9c971368781c9079651c2	acceptance
040000 tree 2697c96fbf46af35707d6b48d71125512bd3a717	backend
040000 tree 2d80027a7a6464f4af5b4852c09f69867c75d063	restapi
040000 tree 6409802db2ab990c1303772a2c8328aca477f1ee	util