
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
What percent of the eight-by-eight square grid is shaded according to the following pattern: starting from the top left square, every other square is shaded in the first row, and this pattern shifts by one square in each subsequent row?

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