OR 4 #2

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Across
  1. 2. Number of pillars in BPO
  2. 5. Largest mammal
  3. 6. Mario's nemesis
  4. 7. Second largest city in MA
Down
  1. 1. Highest selling game of all time
  2. 3. Powerhouse of the cell
  3. 4. Princess ____, Luigi's love interest
  4. 5. Largest major at BU