
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
The number  $2^{29}$  has a  $9$ -digit decimal representation that contains all but one of the  $10$  (decimal) digits. Determine which digit is missing

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