
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
Three non-overlapping regular plane polygons, where no two are congruent, all have sides of length $1$. These polygons meet at a common point $B$ such that the sum of the three interior angles at $B$ exactly fills the plane ($360^\circ$). What is the largest possible perimeter of the polygon formed by this configuration?
A) 6 
B) 7 
C) 8 
D) 9

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