
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
Before Daria began her four-hour drive, her car's odometer reading was 12321, a palindrome. At her destination, her odometer reading was another palindrome. Assuming the speed limit was 65 miles per hour, and she never exceeded it, what was her greatest possible average speed?
A) 40.25 mph
B) 50 mph
C) 65 mph
D) 100 mph

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