
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
Toss a fair cubic die repeatedly, recording the upward-facing number each time it lands. Stop tossing when three different numbers have been recorded. If the tossing stops exactly after the fourth toss, then the total number of different outcomes for these four throws is _____. (Answer with a number)

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