![arcade-intro-04-exploring-the-waters](arcade-intro-04-exploring-the-waters.png?raw=true "arcade-intro-04-exploring-the-waters")


- [ ] [Challenge 04 - Exploring the Waters]()

    - There are 5 challenges
    - [x] [alternatingSums]()
    - [x] [addBorder]()
    - [ ] [areSimilar]()
    - [x] [arrayChange]()
    - [x] [palindromeRearraging]()

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