Doors and Floors Level 7 Walkthrough:
Pick up the water bottle.
Place the two doorknobs on the two spots on the door. The clue in white is crucial.
While pressing and holding the bottom left doorknob, spin the right knocker counter-clockwise until it makes a sound as gets stuck upside down.
While pressing and holding the bottom right doorknob, spin the left knocker clockwise until it disappears and the door opens.
Proceed to the next Doors and Floors level!
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