
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 block on the grid is 1 unit by 1 unit. A traveler wants to go from point $A$ to point $B$ through a specific route within an 8 by 8 grid. Suppose that point $A$ is located at the bottom left corner and point $B$ at the top right corner. The traveler must take a 16 unit path while staying on the grid lines and cannot cut across blocks. How many different paths can the traveler take to reach from $A$ to $B$?

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