Engineering, 03.11.2020 16:30 destinypierre

Tom is trapped on the top floor of a department store. Across the street he saw someone working away late into the night. How could he attract her attention? He uses the Christmas tree lights to send her a message! He finds all the lights and plugs them in so he can turn them on and off. He uses a simple binary code, which he knows the woman across the street is sure to understand. Can you work it out?

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Tom is trapped on the top floor of a department store. Across the street he saw someone working away...