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# Station  2The 1 ← 3 Machine

### Question 1

Make dots explode to find the $1 \leftarrow 3$ code for the number $13$!

### Question 2

What is the code for twenty?

### Question 3

In the $1 \leftarrow 3$ machine, the code $20141$ for a number is not stable.
Find a stable version of this code.

HINT: You can insert dots straight into any box you like.

### Question 4

What is the value of the code $1022$ in a $1 \leftarrow 3$ machine?
Gather all the dots in the rightmost box to find out.

Okay. Let's now go wild.

### Let’s go all the way up to a 1 ←10 machine!

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