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comment by circuit
circuit  ·  3096 days ago  ·  link  ·    ·  parent  ·  post: Fun and hard little math puzzle

It's a fun way of saying

1^2 + 5^2 + 6^2 = 2^2 + 3^2 + 7^2 and

9^2 + 5^2 + 4^2 = 8^2 + 7^2 + 3^2