
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
In a modified sequence of squares, each square is designed such that the side length of the $n$-th square is given by the formula $n^2$. Determine how many more tiles the fourth square requires than the third.
A) 150
B) 160
C) 175
D) 180

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