
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
How many different four-digit numbers, without repeated digits, can be formed by choosing two odd numbers and two even numbers from the set of digits 1, 2, 3, 4, 5, 6?

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