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+# Advent of Code 2021 in Kotlin
+
+![Kotlin](https://img.shields.io/badge/Kotlin-grey?logo=Kotlin)
+![](https://img.shields.io/badge/⭐%20stars-39-yellow)
+![](https://img.shields.io/badge/📅%20days-20-blue)
+
+Welcome to the Advent of Code[^aoc] Kotlin project created by [tchojnacki][github] using
+the [Advent of Code Kotlin Template][template] delivered by JetBrains. See other people's solutions [here][awesome].
+
+## Progress
+
+| Day                             | Part 1 | Part 2 |
+|---------------------------------|:------:|:------:|
+| Day 1: Sonar Sweep              |   🌟   |   🌟   |
+| Day 2: Dive!                    |   🌟   |   🌟   |
+| Day 3: Binary Diagnostic        |   🌟   |   🌟   |
+| Day 4: Giant Squid              |   🌟   |   🌟   |
+| Day 5: Hydrothermal Venture     |   🌟   |   🌟   |
+| Day 6: Lanternfish              |   🌟   |   🌟   |
+| Day 7: The Treachery of Whales  |   🌟   |   🌟   |
+| Day 8: Seven Segment Search     |   🌟   |   🌟   |
+| Day 9: Smoke Basin              |   🌟   |   🌟   |
+| Day 10: Syntax Scoring          |   🌟   |   🌟   |
+| Day 11: Dumbo Octopus           |   🌟   |   🌟   |
+| Day 12: Passage Pathing         |   🌟   |   🌟   |
+| Day 13: Transparent Origami     |   🌟   |   🌟   |
+| Day 14: Extended Polymerization |   🌟   |   🌟   |
+| Day 15: Chiton                  |   🌟   |   🌟   |
+| Day 16: Packet Decoder          |   🌟   |   🌟   |
+| Day 17: Trick Shot              |   🌟   |   🌟   |
+| Day 18: Snailfish               |   🌟   |   🌟   |
+| Day 19: Beacon Scanner          |        |        |
+| Day 20: Trench Map              |        |        |
+| Day 21: Dirac Dice              |        |        |
+| Day 22: Reactor Reboot          |        |        |
+| Day 23: Amphipod                |        |        |
+| Day 24: Arithmetic Logic Unit   |   🌟   |   🌟   |
+| Day 25: Sea Cucumber            |   🌟   |        |
+
+[^aoc]: [Advent of Code][aoc] – An annual event of Christmas-oriented programming challenges started December 2015.
+Every year since then, beginning on the first day of December, a programming puzzle is published every day for
+twenty-four days. You can solve the puzzle and provide an answer using the language of your choice.
+
+[aoc]: https://adventofcode.com
+
+[github]: https://github.com/tchojnacki
+
+[template]: https://github.com/kotlin-hands-on/advent-of-code-kotlin-template
+
+[awesome]: https://github.com/Bogdanp/awesome-advent-of-code