diff --git a/README.md b/README.md
index 4c28d679..6f744cfd 100644
--- a/README.md
+++ b/README.md
@@ -220,7 +220,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [Fritz179/aoc-2021](https://github.com/Fritz179/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [Jamesbarford/advent-of-code-2021](https://github.com/Jamesbarford/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--16-brightgreen)
 * [breakthatbass/advent_of_code2021](https://github.com/breakthatbass/advent_of_code2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
-* [derpicknicker1/AdventOfCode2021](https://github.com/derpicknicker1/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [derpicknicker1/AdventOfCode2021](https://github.com/derpicknicker1/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [federicovilla55/Advent-of-Code](https://github.com/federicovilla55/Advent-of-Code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--10-brightgreen)
 * [jeromkiller/AoC2021](https://github.com/jeromkiller/AoC2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--20-brightgreen)
 * [mustafaquraish/aoc-2021](https://github.com/mustafaquraish/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
@@ -299,7 +299,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 *Solutions to AoC in Dart.*
 
-* [S-ecki/AdventOfCode-2021](https://github.com/S-ecki/AdventOfCode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
+* [S-ecki/AdventOfCode-2021](https://github.com/S-ecki/AdventOfCode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [dangerground/adventofcode-2021](https://github.com/dangerground/adventofcode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [julemand101/AdventOfCode2021](https://github.com/julemand101/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--21-brightgreen)
 * [letsar/adventofcode_2021](https://github.com/letsar/adventofcode_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--20-brightgreen)
@@ -360,7 +360,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [codemicro/adventOfCode](https://github.com/codemicro/adventOfCode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [dellink/advent-of-code](https://github.com/dellink/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
 * [dergeberl/aoc](https://github.com/dergeberl/aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
-* [devries/advent_of_code_2021](https://github.com/devries/advent_of_code_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [devries/advent_of_code_2021](https://github.com/devries/advent_of_code_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [flopp/aoc2021](https://github.com/flopp/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
 * [ga-paul-t/advent-of-code-2021](https://github.com/ga-paul-t/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--23-brightgreen)
 * [hariskhan14/advent-of-code-2021](https://github.com/hariskhan14/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
@@ -397,7 +397,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [TommasoAmici/haskell-aoc-2021](https://github.com/TommasoAmici/haskell-aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [Vince7778/adventofcode2021](https://github.com/Vince7778/adventofcode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [daggy1234/aoc2021](https://github.com/daggy1234/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
-* [ggzor/advent-of-code-2021](https://github.com/ggzor/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
+* [ggzor/advent-of-code-2021](https://github.com/ggzor/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [glguy/advent2021](https://github.com/glguy/advent2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [ilyasm0919/AdventOfCode2021](https://github.com/ilyasm0919/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [jitwit/aoc](https://github.com/jitwit/aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--16-brightgreen)
@@ -406,6 +406,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [shepherdjerred/advent-of-code-2021](https://github.com/shepherdjerred/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--13-brightgreen)
 * [sonowz/advent-of-code-haskell](https://github.com/sonowz/advent-of-code-haskell) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
 * [siraben/haoc-2021](https://github.com/siraben/haoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--24-brightgreen)
+* [ephemient/aoc2021](https://github.com/ephemient/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 
 #### Haxe
 
@@ -443,7 +444,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 * [OmarAssadi/advent-2021](https://github.com/OmarAssadi/advent-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--07-brightgreen)
 * [SimonBaars/AdventOfCode-Java](https://github.com/SimonBaars/AdventOfCode-Java) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
-* [Sycix-HK/Advent-of-Code-2021](https://github.com/Sycix-HK/Advent-of-Code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [Sycix-HK/Advent-of-Code-2021](https://github.com/Sycix-HK/Advent-of-Code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [akaritakai/AdventOfCode2021](https://github.com/akaritakai/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
 * [akbence/adventofcode](https://github.com/akbence/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 * [amalagraba/adventofcode-2021](https://github.com/amalagraba/adventofcode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
@@ -510,7 +511,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [The-Self-Taught-Software-Engineer/advent-of-code-2021](https://github.com/The-Self-Taught-Software-Engineer/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [agrison/advent-of-code](https://github.com/agrison/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
 * [askeron/advent-of-code-kotlin-2021](https://github.com/askeron/advent-of-code-kotlin-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--20-brightgreen)
-* [csj/advent-of-code-2021](https://github.com/csj/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
+* [csj/advent-of-code-2021](https://github.com/csj/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [edgars-supe/advent-of-code](https://github.com/edgars-supe/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--20-brightgreen)
 * [hughjdavey/aoc-2021](https://github.com/hughjdavey/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--21-brightgreen)
 * [lucifer1004/AoC](https://github.com/lucifer1004/AoC) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
@@ -522,6 +523,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [underwindfall/advent-of-code-2021](https://github.com/underwindfall/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [zakmat/AdventOfCode2021](https://github.com/zakmat/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [sebdehne/advent_of_code](https://github.com/sebdehne/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
+* [ephemient/aoc2021](https://github.com/ephemient/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 
 #### LDPL
 
@@ -620,7 +622,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [daggy1234/aoc2021](https://github.com/daggy1234/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
 * [dhimmel/advent-of-code](https://github.com/dhimmel/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [dionyziz/advent-of-code](https://github.com/dionyziz/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
-* [ernestoarbitrio/AoC2021](https://github.com/ernestoarbitrio/AoC2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [ernestoarbitrio/AoC2021](https://github.com/ernestoarbitrio/AoC2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [evalkaz/advent-of-code-2021](https://github.com/evalkaz/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--23-brightgreen)
 * [filipmlynarski/Advent-of-Code](https://github.com/filipmlynarski/Advent-of-Code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--10-brightgreen)
 * [fridokus/advent-of-code](https://github.com/fridokus/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
@@ -629,7 +631,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [grigoresc/adventofcode.2021](https://github.com/grigoresc/adventofcode.2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [jhrcook/advent-of-code_2021](https://github.com/jhrcook/advent-of-code_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
 * [jopein/aoc2021](https://github.com/jopein/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--11-brightgreen)
-* [k2bd/advent-of-code](https://github.com/k2bd/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [k2bd/advent-of-code](https://github.com/k2bd/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [kresimir-lukin/AdventOfCode2021](https://github.com/kresimir-lukin/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [lostella/advent-of-code](https://github.com/lostella/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
 * [lucifer1004/AoC](https://github.com/lucifer1004/AoC) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
@@ -662,6 +664,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [xanthoko/Advent-of-Code](https://github.com/xanthoko/Advent-of-Code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
 * [yspreen/adventofcode](https://github.com/yspreen/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
 * [zedrdave/advent_of_code](https://github.com/zedrdave/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--23-brightgreen)
+* [ephemient/aoc2021](https://github.com/ephemient/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 
 #### R
 
@@ -751,11 +754,12 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [tumdum/aoc2021](https://github.com/tumdum/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [varunmehrishi/AdventOfCode2021](https://github.com/varunmehrishi/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
 * [yeurch/advent-of-code](https://github.com/yeurch/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
-* [ziegfried/advent-of-code](https://github.com/ziegfried/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
-* [zsacul/AdventOfCode2021](https://github.com/zsacul/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [ziegfried/advent-of-code](https://github.com/ziegfried/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
+* [zsacul/AdventOfCode2021](https://github.com/zsacul/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [fpalmier/rust-aoc-2021](https://github.com/fpalmier/rust-aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--20-brightgreen)
 * [voidash/AOC2021](https://github.com/voidash/AOC2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
 * [jkaczmarkiewicz/advent-of-code-answers](https://github.com/JanKaczmarkiewicz/advent-of-code-answers) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [ephemient/aoc2021](https://github.com/ephemient/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 
 #### Smalltalk
 
@@ -768,7 +772,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [2m/adventofcode2021](https://github.com/2m/adventofcode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--18-brightgreen)
 * [FlorianCassayre/AdventOfCode-2021](https://github.com/FlorianCassayre/AdventOfCode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
 * [fdlk/advent-2021](https://github.com/fdlk/advent-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
-* [ggzor/advent-of-code-2021](https://github.com/ggzor/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
+* [ggzor/advent-of-code-2021](https://github.com/ggzor/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [gnmathur/AdventOfCode-2021](https://github.com/gnmathur/AdventOfCode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--09-brightgreen)
 * [mzielinski/advent-of-code-2021](https://github.com/mzielinski/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--13-brightgreen)
 * [sim642/adventofcode](https://github.com/sim642/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
@@ -837,7 +841,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 * [Im-Beast/advent_of_code](https://github.com/Im-Beast/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--12-brightgreen)
 * [LionC/aoc-2021](https://github.com/LionC/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)
-* [N8Brooks/deno_aoc](https://github.com/N8Brooks/deno_aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [N8Brooks/deno_aoc](https://github.com/N8Brooks/deno_aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [ismtabo/advent-of-code-2021](https://github.com/ismtabo/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 
 #### Unison