
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
Two student representatives from each of the four cities: Beijing, Shanghai, Tianjin, and Chongqing, are to be arranged in a row for a photo. The arrangement must meet the following conditions: the two representatives from Beijing must stand next to each other, and the two representatives from Chongqing must not stand next to each other. Find the total number of different arrangements possible. (Answer with a number).

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