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Hint #1: Only look above the red line

Hint #2: Whoops, Pac-Man already ate some of the dots! 

Hint #3: Can you see a pattern in how Pacman ate the dots. The absence of dots is just as important as the presence of dots...

Hint #4: Do you even computer science?

Hint #5: (copied hint from tempest) Think like a computer...

Hint #6: Computers think in binary.

Hint #7: The dots represent 1's and the spots with no dots represent 0's