advent-of-code-2022 Day 1 calorie-counting solution Day 2 rock-paper-scissors solution Day 3 rucksack-reorganizationsolution Day 4 camp-cleanup solution Day 5 supply-stacks solution Day 6 tuning-trouble solution ❌ Day 7 no-space-left-on-device solution Day 8 treetop-tree-house solution ⭐️ Day 9 bridge-rope solution