
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
If: (1) \(a, b, c, d\) are all elements of the set \(\{1,2,3,4\}\); (2) \(a \neq b\), \(b \neq c\), \(c \neq d\), \(d \neq a\); (3) \(a\) is the smallest among \(a, b, c, d\). Then, how many different four-digit numbers \(\overline{abcd}\) can be formed?

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