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NASA Collage

One of the most popular websites at NASA is the Astronomy Picture of the Day. They have an archive of all photos by day.

Using this archive and Go build the smallest possible rectangular collage. Or return an error if there is no possible combination between all dates.


  • You should use original photos, cutting is not allowed, but you can resize them proportionally.
  • One photo can't be used more than once on the collage.
  • It should be more than 10 photos on the collage.

Submit PR with code and photo file collage.png.


This is a Christmas challenge, so the first person who submits the solution will receive a nice sticker pack from me (I will ask you your address after receiving the correct PR)!