CLUE

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Across
  1. 1. versatile preposition and occasionally a conjunction used to indicate purpose
  2. 5. You're ______!!
  3. 6. I want to be you're ________ (this is not the question)
Down
  1. 2. Who is your best friend?
  2. 3. A 2D barcode using a grid of black and white squares
  3. 4. What you need to solve a problem
  4. 7. How to get an answer