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Enigmachine (Switchboard Cipher in the UK version) is a puzzle in Professor Layton and the Last Specter. The puzzle must be solved in order to progress the story.

Puzzle

US Version

This switchboard has an emergency-shutdown feature. Apparently, all you have to do is press the button marked with the symbol that should appear in place of the question mark. The symbols are arranged according to a certain rule.

So which button is it?

UK Version

This switchboard has an emergency shutdown feature. Apparently, all you have to do is press the button marked with the symbol that should appear in place of the question mark. The symbols are arranged according to a certain rule.

So, which button is it?

Hints




Click a Tab to reveal the Hint.

Look at the diagram carefully. It seems that several of the symbols share some shapes.

The symbols are arranged in a pentagon.

Have a look at the symbols in the corners of the pentagon. Compared to the others they are much simpler, aren't they?

US Version

Now that you know the symbols in the corners are simple, you'll see that the other symbols are a little more complex. There must be some kind of rule that connects the simple ones with the complex ones, right?

UK Version

Now that you know that the symbols in the corners are simple, you'll see that the other symbols are a little more complex. There must be some kind of rule that connects the simple ones with the complex ones, right?

US Version

Each symbol on the pentagon's edges is made from a combination of two of the corner symbols.

For example, combining the circle in the top-left corner with the M in the bottom-right corner will give you an M inside a circle, which is the symbol on the top-right edge.

Which symbol goes in the space with the question mark?

UK Version

Each symbol on the pentagon's edges is made from a combination of two of the corner symbols.

For example, combining the circle in the top-left corner with the M in the bottom-right corner will give you an M inside a circle, which is the symbol on the top-right edge. So then, which symbol goes in the space with the question mark?


Solution

Incorrect

US Version

Too bad!

Looks like you pressed the wrong button. Think about it, and try again.

UK Version

Too bad.

Looks like you pressed the wrong button. Have another think and try again.

Correct

Spot on!

US Version

Each of the five symbols on the pentagon's edges is made up of the two corner symbols that are neither adjacent nor directly opposite.

In this case, the circle and triangle symbols combine to reveal the identity of the mystery button.

UK Version

The five symbols on the pentagon's edges are made up of the two corner symbols that lie neither adjacent to nor directly opposite them.

In this case the circle and triangle symbols combine to reveal the identity of the mystery button.

LS142S

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

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