
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
The numbers from 1 to 6 are marked on the faces of a cube. The cube is thrown twice. The first time, the sum of the numbers on the four lateral faces is 12, and the second time, the sum is 15. What number is on the face opposite the face with the number 3?

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