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Many to Cross... (Bridgathon in the UK version) is a puzzle in Professor Layton and the Last Specter.

## Puzzle

US Version

A wanted to return a book to her friend B, but she couldn't remember where B lives. After walking around and crossing every bridge just once, she finally arrived at her friend's house.

Circle the number of B's house then touch Submit.

UK Version

A wanted to return a book to her friend B, but she couldn't remember where B lives. After walking around for a while and crossing every bridge just once, she finally determined which was her friend's house.

Circle the number of B's house.

## Hints

Click a Tab to reveal the Hint.

There seem to be many routes that A could take to get to B's house. Let's consider a single route.

First she started by walking past house number 4 and then number 3. At that point, she still had no idea how long her route would end up being.

US Version

After numbers 4 and 3, she would then visit 2, 1, 5, and 2 again. However, she still had not found her friend's house.

UK Version

After passing number 4 and number 3, she continued on to 2, 1, 5 and then 2 again.

Unfortunately, she still hadn't found her friend's house.

US Version

After arriving at number 2 the second time, she visited 6, 3, A, 6, 8, 7, 8, and then 7.

Even so, she could still not be sure which was the correct house. Had she overlooked something?

UK Version

Still determined after arriving at number 2 for the second time, she kept walking and went on to 6, 3, A, 6, 8, 9, 9 and then 7.

After all this, she still could not be sure which was the correct house. Had she overlooked something?

US Version

She had to cross every bridge to be sure. After arriving at number 7, she went to 8, 6, and 5 again. After crossing the last remaining bridge, she finally got to B's house. What a walk!

UK Version

You know that she had to cross every bridge before she was sure she'd found her friend's house.

From number 7 she went back to 8, 6 and then 5.

She then crossed the last remaining bridge and, with relief, realised that it was B's house without a doubt!

## Solution

### Incorrect

US Version

Try walking through the puzzle again.

UK Version

Try walking through the puzzle again.

### Correct

Correct!

US Version

If she walks over every bridge once, she will finally arrive at house number 7. Did you realize that whichever path she takes, she will arrive at number 7?

UK Version

B lives at house number 7!

After crossing every bridge once, she was finally certain that she had found her friend's house.

Did you realise she could have taken any route and still ended up at the same house?

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