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098 - Slippery Trip 3099 - An Odd Invitation100 - The Lost Number

An Odd Invitation is a puzzle in Professor Layton and the Unwound Future.

Puzzle

A friend sent you an invitation to come and visit. The wording of his letter, however, is a bit odd...

US Version

"First, knock on a certain door. Then, knock on the door below and the door below that. Now knock on the door to the right of that one. Finally, knock on the next door to the right. That's my place!"

Open your friend's door by tapping it. Be careful not to leave any other doors open when submitting your answer.

UK Version

"First, knock on a certain door. Then knock on the door below it and then the door below that. Now knock on the door to the right of that one. Finally, knock on the next door to the right. That's my place!"

Touch your friend's door to open it. Be careful not to leave any other doors open when submitting your answer.

Hints

Click a Tab to reveal the Hint.

US Version

Try to figure out which "certain door" your friend is referring to, and start from there.

UK Version

Try to work out which "certain door" your friend is referring to and start from there.

US Version

If you can figure out which door to knock on first, you should have no trouble finding your friend.

There's only one door from which you can follow your friend's instructions exactly...

UK Version

If you can work out which door to knock on first, you should have no problem finding your friend's place.

There's only one door from which you can follow your friend's instructions exactly...

US Version

Your friend's room is two doors down and two doors to the right of the first door you're supposed to knock on.

Since there are only three doors in a row both horizontally and vertically...

UK Version

Your friend's place is two doors down and two doors to the right of the first door you're supposed to knock on.

Since there are only three doors in each row, both horizontally and vertically...

US Version

Start from the upper-left door, and follow your friend's instructions to find his door.

Remember not to leave any doors open except for your friend's when submitting your answer.

UK Version

Start from the top-left door and follow your friend's instructions to find your destination.

Remember not to leave any doors open except for your friend's when submitting your answer.


Solution

Incorrect

Too bad!

Don't keep your friend waiting!

Correct

US Version

You knocked it out of the park!

Even though you don't know which "certain door" your friend is referring to, the only door from which you can move two down and two to the right is the top-left door. So the only possible location of your friend's pad is the bottom right!

UK Version

Knock out!

Even though you don't know which "certain door" your friend is initially referring to, the only door from which you can move two down and two to the right is the top-left door.
The only possible location of your friend's pad is therefore the bottom-right!

UF099S
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