Shapes

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Across
  1. 2. It's very long.
  2. 4. It is smooth and round. It hasn't got sides.
  3. 5. a symbol of love
  4. 6. It's got four sides. Two long, two short.
Down
  1. 1. It's got four sides. They are all the same.
  2. 3. It's got three sides. Just one, two, three.