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Fountain Fightin' (Fountain Fight in the UK version) is a puzzle in Professor Layton and the Last Specter.

Puzzle

US Version

The water in the park fountain is fed through 13 valves. One day, A and B are cleaning the fountain and come up with the following game:

Taking turns to open one valve or two adjacent valves at a time, whoever opens the final spout will be the winner.

After the coin toss, A starts and opens two valves.

Can you help B win the game?

UK Version

The water in the park fountain is fed through 13 valves. One day, A and B are cleaning the fountain when they come up with the following game. Taking it in turns to open one valve or two adjacent valves at a time, the one who opens the final spout will be the winner.

After the coin-toss, A starts and opens two valves. Can you help B win the game?

On your turn, make the one or two valves you want to open, then touch the arrow icon in the bottom-left.

Hints




Click a Tab to reveal the Hint.

The key to winning this game is in going second. Try to work out how you can use it to your advantage.

US Version

To be sure of winning, there is only one choice for B's first move. Think about which valves can help B win.

UK Version

To be sure of winning, there is only one choice for B's first move. Think about which valves can help B to win.

US Version

If the top valve is valve 1, then counting clockwise, open valve 8.

After opening valve 8, take a look at the position of the valves. Do you notice anything? You should be able to spot a way to make sure B wins.

UK Version

If the top valve is valve 1, then, counting clockwise, open valve 8.

After opening valve 8, take a look at the position of the valves. Do you notice anything? You should be able to spot a way to make sure B wins.

If you open valve 8 as in Hint 3, there should be five valves left on either side of the fountain.

US Version

When A makes his next move, B should match it on the opposite side. Give it a try!

UK Version

WHen A makes his next move, B should match it on the other side. Give it a try!


Solution

Correct

Fount-astic!

As A begins by opening two valves, there are 11 left at the start of B's first turn.

In order to ensure a win, B must use this turn to open just one valve so that the remaining valves are divided into two groups of five.

LS071S

A big thanks to http://professorlayton4walkthrough.blogspot.com

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