Complete 2022 Day 4

Complete 2022 Day 3

Complete 2022 Day 2

Complete 2022 Day 1

Refactor input across years; set up Advent of Code 2022

Complete 2019 Day 21

Complete 2019 Day 20

Complete 2019 Day 19

Complete 2019 Day 18

Use check instead of assert in day 17 solution

Update pom.xml for new JVM target

Complete 2019 Day 17

Complete 2019 Day 16 Part B

Update to Kotlin 1.7 and JVM 17

Complete 2021 Day 17

Complete 2021 Day 16

Complete 2021 Day 15

Complete 2021 Day 14

Complete 2021 Day 13

Complete 2021 Day 12