<Ul> <Li> not clear what the question really is </Li> <Li> not clear how to arrive at a solution </Li> <Li> no idea what the solution looks like </Li> </Ul> <Li> not clear what the question really is </Li> <Li> not clear how to arrive at a solution </Li> <Li> no idea what the solution looks like </Li>

Where does the phrase thinking outside the box come from