
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
There are two table tennis umpires from China, two from England, and two from Sweden, assigned to officiate at the table tennis venues numbered one, two, and three at the Beijing Olympics. Each venue requires a pair of umpires from different countries. Calculate the total number of different possible assignment plans.

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