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Ten-Step Solution is a puzzle in Professor Layton and the Unwound Future. The puzzle must be solved in order to progress the story.

## Puzzle

US Version

To crack this security lock, you'll need to swap blocks A and B in 10 moves or fewer. You can move any piece anywhere in any direction as long as it will fit.

Now, get started!

UK Version

To crack this security lock, you'll need to swap A and B in 10 moves or fewer.

Get cracking!

## Hints

Click a Tab to reveal the Hint.

It wouldn't be a tough puzzle if all you had to do was simply swap them. First just try moving things around, then when you can't move any more, think about how many more steps would have been required.

You'll definitely run out of moves if you keep switching between moving A and B. At some point, you're going to need to swap A and B in one fell swoop.

It doesn't matter if you start with A or B, but here are the instructions for A: slide the second block from the top over to the left, and move A down to the right of the third block. Then move the second block all the way to the right, and slide the third block up and to the left or it. The rest is up to you!

Continuing on from Hint Three, move B to the left side of the row that A is in. You can now move A into its target slot. All that's left is to use the last four moves to get B into its target slot.

Almost done now. You can do it!

## Solution

### Correct

Bravo!

You cracked the lock!

• Initial position
• Move the second to top bar left
• Move the A block down, right and down
• Move the second to top bar right
• Move the second to bottom bar left and up
• Move the B block up and left
• Move the A into the A slot
• Move the B block right
• Move the second to top left bar down
• Move the second to top bar left
• Move the B block into the B slot

A big thanks to http://professorlayton3walkthrough.blogspot.com

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