[CV092] Wash Up

092 - Wash Up

Wash Up is a puzzle in Professor Layton and the Curious Village.

Puzzle

US Version

You need to wash your face, but all 13 water valves in the sewer piping are shut tight. You have to open the valves to get the water flowing to your sink.

So here's your challenge. Direct the water all the way to your sink by opening as few valves as possible.

UK Version

You need to wash your face, but all 13 water valves in the pipes are shut tight. You must open the valves to get the water flowing to your sink.

Closed valves are marked A, open valves B. Touch a valve to open or close it.

So here's your challenge. Direct the water all the way to the tap by opening as few valves as possible.

Hints

Click a Tab to reveal the Hint.

It goes without saying that if you open every valve in sight, the water will make it to your faucet. To keep things simple, though, let's start near the source. It's safe to say that you'll have to open one of the three valves directly surrounding the water source.

Keep the number of valves you open in addition to this one as low as possible, and you'll have your answer.

There are three more valves positioned near the faucet. Work backward from each of these and see where they go.

Do this right, and you'll eliminate quite a few possible valves.

You really only need to open two valves.

Start from the valves near the water source and trace a route. If you don't find yourself at the faucet after opening a second valve, you made a wrong turn somewhere. This theory also works in reverse.

Keep performing test runs like this and you'll find the solution.

Solution

Incorrect

Too bad!

The pipes are a mess, but give it another look anyway.

Correct

Good job!

US Version

Now go wash up!

UK Version

Now go and wash up!

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