
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
From the numbers $1, 2, 3, 4, 5, 6, 7$ form a 7-digit number with no repeated digits, such that two even numbers are adjacent to each other and the four odd numbers are not all adjacent to each other. How many such 7-digit numbers are there?

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