
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
Each team consists of 3 players, and a total of five matches are to be played between the two teams, including one doubles match and four singles matches. Each player must play in two matches (the doubles match requires two players to play at the same time), and the doubles match must be played as the third match. Calculate the total number of different sequences in which the three players can appear.

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