Puzzle 1:
Pipes need to have two end points with a valve in the middle which can switch which pipe water flows down.
Puzzle 2:
Change rate of flow with a valve but only one end point for flow. Valve needs to be placed in a different location to the end of the pipe.
Puzzle 1: Pipes need to have two end points with a valve in the middle which can switch which pipe water flows down. Puzzle 2: Change rate of flow with a valve but only one end point for flow. Valve needs to be placed in a different location to the end of the pipe.