Percy Jackson and the lightning thief - crossword

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Across
  1. 2. Old Greek currency
  2. 5. Patterned like a turtle's shell
  3. 7. Smiling broadly
Down
  1. 1. Expressing dissatisfaction quietly
  2. 3. Made with a design template
  3. 4. Move downward
  4. 6. Moving back and forth