The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Levenshtein Distance in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 881st CaedenHarper 🇨🇦 495 295 377ms 17 Oct 2025 882nd janbehrens 🇩🇪 495 331 3,093ms 20 Nov 2022 883rd ZakkkkAttackkkk 🇵🇭 494 176 10ms 28 Sep 2023 883rd emgordon154 494 176 169ms 26 Sep 2024 885th tdkkdt 🇷🇺 492 297 449ms 21 Nov 2021 886th Schmitt-Very-Cool 492 369 469ms 1 Oct 2025 887th nullie 491 177 365ms 9 Jun 2022 887th msbranicky 491 177 193ms 27 Jul 2023 889th cure-honey 🇯🇵 491 360 43ms 30 Nov 2020 890th face0xff 489 178 15ms 3 Nov 2021 890th fgrosshans 🇫🇷 489 178 10ms 19 Jul 2022 890th AstroOrbis 489 178 45ms 23 Jul 2025 893rd stellartux 489 187 358ms 24 Dec 2023 894th rcmlz 486 72 128ms 13 Apr 2024 895th MaxElf999 486 179 147ms 29 Sep 2022 895th wh3n3v3r 🇨🇿 486 179 10ms 18 Nov 2024 897th janbehrens 🇩🇪 484 296 2ms 7 Apr 2023 898th schachmattmatt 483 180 28ms 2 Oct 2021 898th RustemB 🇷🇺 483 180 37ms 11 Nov 2021 900th KatieLG 🇬🇧 483 369 710ms 9 Oct 2021 901st stordev 481 181 35ms 26 Feb 2021 901st PatrickStephansen 🇿🇦 481 181 20ms 15 Mar 2021 901st CLOStrophobic 🇮🇹 481 181 22ms 31 Jan 2025 904th heanyang1 479 299 1ms 20 Apr 2025 905th MeWhenI 🇻🇦 479 349 311ms 27 May 2021 906th AkashTandon167 478 182 1,702ms 15 Jan 2021 906th jtaxen 478 182 213ms 9 Apr 2024 908th MeWhenI 🇻🇦 478 239 4ms 23 May 2023 909th Shanethegamer 🇺🇸 476 86 45ms 15 Jan 2022 910th rodrigosetti 🇧🇷 476 306 297ms 19 Aug 2022 911th bastienvoirin 🇫🇷 475 183 35ms 30 Nov 2020 912th michelebastione 🇮🇹 473 184 31ms 5 Dec 2021 912th yuchuehw 473 184 48ms 15 Jan 2024 914th tomh1012 471 212 2ms 4 Feb 2026 915th ollyspooner 471 234 10ms 30 Nov 2023 916th MeWhenI 🇻🇦 471 309 16ms 17 Nov 2021 917th adoxography 470 185 57ms 25 Mar 2023 917th jacekwladzinski 470 185 10ms 5 Oct 2025 919th edsrzf 🇳🇿 470 310 22ms 20 Nov 2024 920th JRaspass 🇬🇧 469 199 43ms 11 Jun 2022 921st MeWhenI 🇻🇦 469 271 153ms 7 Jul 2021 922nd DialFrost 🇸🇬 469 287 4,183ms 17 Nov 2024 923rd jakobkordez 🇸🇮 468 186 10ms 21 Oct 2022 924th Yewzir 🇧🇪 466 392 2ms 3 Jun 2023 925th msbranicky 466 434 309ms 6 Oct 2023 926th geofft 465 187 24ms 13 Dec 2020 926th mdnestor 465 187 49ms 17 Dec 2022 926th 5quiwyrm 465 187 45ms 1 Feb 2025 926th KatieLG-Transpiler 🇬🇧 465 187 113ms 9 Jan 2026 930th Athe81 465 237 10ms 4 Jan 2021 931st madex 🇩🇪 462 216 2ms 14 days ago 932nd HumanoidCPU 462 310 2ms 20 Jan 2025 933rd CaedenHarper 🇨🇦 460 184 1,719ms 16 Nov 2025 934th Lv0Sys 🇵🇱 460 387 919ms 13 Dec 2025 935th keelimeguy 🇺🇸 460 424 14ms 8 May 2025 936th qwjhvbxi 458 190 28ms 7 Feb 2024 937th MeWhenI 🇻🇦 458 204 5ms 16 Apr 2023 938th MeWhenI 🇻🇦 455 77 126ms 31 Jan 2023 939th KatieLG 🇬🇧 455 201 252ms 22 May 2021 940th o0lit3 🇺🇸 455 205 3ms 15 Apr 2025 941st MeWhenI 🇻🇦 455 281 8ms 12 Apr 2024 942nd Haksell 🇦🇶 454 111 82ms 23 Feb 2023 943rd CoolBvll 453 192 10ms 12 Jun 2025 944th lemogne 452 317 2ms 9 Aug 2021 945th JRaspass 🇬🇧 449 78 132ms 29 Jul 2022 946th Yewzir 🇧🇪 447 223 161ms 9 Jun 2023 947th bschorno 447 327 436ms 4 Aug 2022 948th msbranicky 444 177 655ms 17 Jan 2024 949th hamhub7 444 329 455ms 10 Aug 2022 950th Zach1031 444 411 280ms 23 Nov 2025 951st hymanimy 442 197 29ms 4 Aug 2021 951st Anonymousellama21 442 197 32ms 8 Jun 2022 953rd MeWhenI 🇻🇦 442 324 2ms 26 May 2023 954th SpareManiKatti 441 250 15ms 9 Sep 2021 955th olleicua 🇺🇸 439 115 136ms 5 Feb 2024 956th MeWhenI 🇻🇦 439 443 68ms 13 Jul 2021 957th boxjelly 438 327 2ms 15 Feb 2021 958th brimstonetrader 437 199 48ms 11 Jan 2024 959th heanyang1 436 229 2ms 20 Apr 2025 960th TimCurwick 🇺🇸 436 245 714ms 11 Nov 2020 First Prev 881–960 of 1,189 Next Last
