The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 15 hours. Why not try and solve them ahead of time?
Intersection in JavaScript in chars. 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 Chars Time Submitted 79th chasewalden 669 136 10ms 25 Apr 2023 82nd lowlighter 664 137 10ms 1 Nov 2020 82nd boxjelly 664 137 10ms 7 Feb 2021 82nd randolchance 664 137 10ms 29 Dec 2022 85th MattShaile 659 138 10ms 19 Apr 2022 85th ShiraJoseph 🇺🇸 659 138 10ms 6 May 2023 85th two-bad 🇬🇧 659 138 10ms 24 Feb 2024 85th xShadowBlade 659 138 10ms 26 Dec 2024 89th alexkunin 655 139 14ms 13 Oct 2020 90th zakariamouhid 650 140 11ms 1 Mar 2023 91st dsntzn 🇸🇰 645 141 9ms 13 Oct 2020 91st lynn 645 141 10ms 30 Aug 2021 91st FlorianCassayre 🇫🇷 645 141 10ms 14 Jun 2024 91st Protothor 645 141 10ms 23 Jun 2025 91st acollett89 645 141 10ms 25 Jul 2025 96th Maznek 641 142 9ms 31 Jan 2024 96th junkondo-jp 641 142 10ms 5 May 2024 96th Andrey-Plotnikov 641 142 10ms 17 May 2024 96th Dataen 641 142 11ms 9 Jun 2024 100th UBKorkut 636 143 10ms 12 Mar 2021 100th olleicua 🇺🇸 636 143 10ms 3 Feb 2024 102nd daveberlin 632 144 11ms 21 Oct 2023 103rd CaedenHarper 🇨🇦 611 149 12ms 24 Aug 2025 104th Athe81 607 150 10ms 2 Nov 2020 105th CatsAreFluffy 599 152 10ms 17 Jan 2023 106th richard-oelze 🇩🇪 595 153 9ms 11 Apr 2021 106th stefangabos 🇷🇴 595 153 14ms 16 Nov 2025 108th gigaprofisi 🇺🇸 591 154 10ms 10 Aug 2025 109th jake-freeman 587 155 10ms 4 Nov 2020 109th LordSir101 587 155 10ms 16 Aug 2025 111th smclaughlin-cf 583 156 11ms 2 May 2025 111th a6166231 🇨🇳 583 156 9ms 22 May 2025 113th w-henderson 580 157 12ms 11 Jun 2022 114th maxpelic 🇺🇸 558 163 10ms 11 Jul 2022 115th unfinishedprogram 548 166 11ms 14 Dec 2023 116th piano-miles 538 169 10ms 6 Sep 2024 117th SpareManiKatti 535 170 10ms 14 Oct 2021 118th null-tangent 529 172 9ms 22 Aug 2022 119th Kibble 523 174 13ms 8 Oct 2020 120th krcs 🇵🇱 495 184 10ms 19 Apr 2022 120th misono-nobuhiro 495 184 9ms 15 Feb 2023 122nd kamenitxan 🇨🇿 492 185 9ms 23 Nov 2020 123rd samthidny 487 187 12ms 20 Apr 2022 124th xkacer 🇨🇿 484 188 89ms 25 Jan 2021 125th vroup 🇩🇰 469 194 10ms 30 Sep 2022 126th tomh1012 446 204 9ms 23 Oct 2020 127th aneurin-h 410 222 9ms 16 Nov 2022 128th con-cs 379 240 10ms 10 Oct 2021 129th TeodorDyakov 🇧🇬 365 249 10ms 3 Sep 2025 130th SumanMajumdargolf 345 264 10ms 24 May 2021 131st kevinnaviapaiva 340 268 10ms 5 Mar 2025 132nd mukulkesh 330 276 9ms 23 May 2021 133rd adamnielson42 🇺🇸 283 322 11ms 30 May 2023 134th ryguyNelson 256 356 13ms 31 Dec 2020 135th KatieLG-Transpiler 🇬🇧 204 445 9ms 2 Jul 2022 First Prev 81–135 of 135
