
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 sequence of consecutive natural numbers starting from 11 is written on the blackboard. Later, one of the numbers is erased. The average of the remaining numbers is 23. What is the erased natural number?

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