
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In the picture, there are nine squares, eight of which have arrows. The numbers 1 and 9 are already placed. Replace the letters in the remaining squares with the numbers 2 through 8 so that the arrows in the square with the number 1 point towards the square with the number 2 (number 2 can be in square $A$ or $B$), the arrows in the square with the number 2 point towards the square with the number 3, and so on, until the arrows in the square with the number 8 point towards the square with the number 9. 

Construct the correspondence.

- In square $A$
- In square $B$
- In square $C$
- In square $D$
- In square $E$
- In square $F$
- In square $G$
- number 2 is placed.
- number 3 is placed.
- number 4 is placed.
- number 5 is placed.
- number 6 is placed.
- number 7 is placed.
- number 8 is placed.

Present the answer in LaTex format: \boxed{Your answer}
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