
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
Given a digits { $0,1,2,...,9$ } . Find the number of numbers of 6 digits which cantain  $7$  or  $7$ 's digit and they is permulated(For example 137456 and 314756 is one numbers).

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