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115 - Hidden in Plain Sight116 - Which Way Is Up?117 - Where's the Arrow?

Which Way Is Up? (Which Direction? in the UK version) is a puzzle in Professor Layton and the Unwound Future.

Puzzle

US Version

Below is a chart with a cardinal direction written in each square. The top of the chart, however, isn't necessarily north.

When looking at the chart from the proper orientation, you can start at a certain square and, moving in the direction written in each square, pass over all of the squares on the chart.

Which side--A, B, C, or D--is north?

UK Version

This chart has cardinal directions written on each square. However, the top of the chart is not necessarily north.

If you appoint the correct side of the chart as north, starting from a certain square and moving in the direction each square indicates allows you to pass over all the squares on the chart.

Knowing this, can you work out which side of the map, A, B, C or D, is north?

Hints

Click a Tab to reveal the Hint.

US Version

It's a pretty simple chart, but it gets tricky when you don't know which way you're supposed to be looking at it.

Try looking at it from each direction one at a time.

UK Version

Such a simple chart, but it gets quite complicated when you start to change its orientation. Try thinking about it from several different directions.

US Version

No matter which side is north, north-south and each-west will always be opposite directions.

UK Version

No matter which way is north, the relative positions of the cardinal points won't change: north is opposite south, and east is opposite west.

You just need to think hypothetically and forget the common notion that north is up, south is down, east is right and west is left.

US Version

There are three easts in a row, which means the last square you touch will be one of these, since you can't change direction once you enter this row.

UK Version

There are three "easts" in a row. That means that you have to exit the chart through either end of that room.

That alone should give you the answer.

US Version

The three easts in a row also indicate left or right, because north-south is always opposite east-west.

This means sides B and D can't possible be north. This means the answer must be side A or C!

UK Version

To pass through every square, you have to go either to the left or to the right through the three "east" squares.

This means that east corresponds to either left or right, which tells you that north and south have to be top and bottom or vice-versa. Now there are only two choices left!


Solution

Incorrect

US Version

Too bad!

North is usually up, but don't let that cloud your thinking here.

UK Version

Too bad.

Try to forget the ingrained notion that up is north.

Correct

US Version

Correct!

Side C is north.

If you set C as north and start in the center square, you can follow the directions and pass over all of the squares!

UK Version

That's right!

C is north.
If you set C as north and start from the centre square, you can pass through all the squares.

UF116S
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