Suggest an alternative to

Advent-of-Code-2020

https://adventofcode.com/2020 completed in Haskell

Why do you think that https://github.com/zertovitch/hac is a good alternative to Advent-of-Code-2020

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with Advent-of-Code-2020. Optional.

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