
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
Vova has 19 grades in his journal for math, all of which are 2s and 3s, with the first four grades being 2s. It turns out that among Vova's consecutive four grades, all 16 possible combinations of four 2s and 3s occur. What are Vova's last four grades?

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