040000 tree 34dedb5e0f7baf793d688ed2c563be8e1365cec1	checker
040000 tree 3e21aa88dfd182ff0b4770ff594b524df12526df	cmd
100644 blob f2089c43c4f8b89b265266749cf4ce217843098d	utils.go
100644 blob 0b2ef4aff589784454adc42e189ab1171e86926e	utils_test.go