multifaction by 4

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Across
  1. 2. 4x56
  2. 4. 4x78
  3. 6. 4x9
  4. 7. 4x16
  5. 9. 4x21
Down
  1. 1. 4x8
  2. 3. 4x109
  3. 5. 4x64
  4. 6. 4x88
  5. 8. 4x12