
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]


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A subset \( S \) of the set of integers \{ 0, 1, 2, ..., 99 \} is said to have property \( A \) if it is impossible to fill a 2x2 crossword puzzle with the numbers in \( S \) such that each number appears only once. Determine the maximal number of elements in sets \( S \) with property \( A \).

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