
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
All seats at King Arthur's round table are numbered clockwise, with equal distances between adjacent seats.

One day, King Arthur sat in seat number 10, and Sir Lancelot sat directly opposite him in seat number 29. How many seats are there in total at the round table?

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