URGENT SOLVE IMMEDIATELY!

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Across
  1. 3. A show hosted by Jay Leno (1992-2009) and Conan O'brien (2009-2010)
  2. 5. A grand residence
  3. 6. Outdated word for the main meal of the day at noon
  4. 7. The number of deadly sins
Down
  1. 1. Recently elected a female president
  2. 2. Ascii 64
  3. 4. method of charring and grilling foods