
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
Assuming that the $6$ astronauts stand in a row, with the requirement that the $3$ astronauts from Shenzhou 14 are not adjacent to each other and Liu Yang does not stand at either end, find the total number of different ways they can stand.

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