
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
A large equilateral triangle with a side length of 16 is to be completely filled with no overlap by small equilateral triangles of side length 2. How many such small triangles are required?
A) 32
B) 48
C) 64
D) 72
E) 128

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