The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 7 days. Why not try and solve them ahead of time?
Pangram Grep 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 adoxography 817 46 39ms 26 Sep 2019 881st kinduff 817 46 39ms 9 Aug 2020 881st Shanethegamer 🇺🇸 817 46 40ms 7 Jul 2021 881st annaproxy 817 46 36ms 4 Jan 2022 881st scpchicken 🇵🇼 817 46 38ms 12 May 2022 881st edsrzf 🇳🇿 817 46 39ms 29 Sep 2024 881st JOrE20 817 46 48ms 23 Feb 2026 888th Attero 🇸🇪 817 74 2ms 23 May 2020 888th ncm 817 74 2ms 18 Aug 2020 890th cafehaine 🇫🇷 817 100 2ms 12 Apr 2019 890th thatbirdguythatuknownot 817 100 2ms 28 Dec 2022 890th adriweb 🇫🇷 817 100 2ms 30 Aug 2023 893rd GrayJoKing 🇦🇺 817 173 171ms 6 Jun 2021 894th m42km 816 71 514ms 1 Feb 2024 895th evanrittner 816 86 12ms 10 Mar 2019 895th shibacho 🇯🇵 816 86 11ms 17 Apr 2019 895th sk- 816 86 11ms 18 Sep 2019 895th adoxography 816 86 11ms 28 Oct 2019 895th ian-h-chamberlain 🇺🇸 816 86 10ms 11 Dec 2019 895th toombs-caeman 816 86 11ms 8 Mar 2020 895th artieleach 816 86 11ms 8 Feb 2021 895th dymowski 816 86 18ms 14 Feb 2021 895th feherd 816 86 11ms 2 Sep 2021 895th myleopard 816 86 10ms 15 Oct 2021 895th BrenSchaap 816 86 10ms 21 Oct 2021 895th samgiz 816 86 11ms 30 Oct 2021 895th CodyMiner 816 86 11ms 25 Nov 2021 895th HallMatthew314 816 86 11ms 29 Nov 2021 895th petroselo 816 86 11ms 29 Dec 2021 895th lovernj 816 86 14ms 31 Jan 2022 895th glesnick 816 86 10ms 6 Sep 2022 895th Bodo171 816 86 11ms 21 Nov 2022 895th Re-Adventures 🇮🇳 816 86 11ms 27 Jul 2023 895th jacobly0 🇺🇸 816 86 10ms 28 Aug 2023 895th JunkIce 816 86 12ms 2 Oct 2024 895th EnviloN 🇨🇿 816 86 11ms 19 Oct 2024 895th jamesthekee 816 86 11ms 27 Jan 2025 895th YAJUE114514 816 86 12ms 19 Dec 2025 895th netfri25 🇮🇱 816 86 17ms 20 Feb 2026 895th inverseLorentz 🇦🇺 816 86 10ms 24 days ago 921st jared-hughes 816 205 14ms 8 Jul 2024 922nd NewDefectus 🇮🇱 815 37 48ms 29 Apr 2022 922nd xsot 🇸🇬 815 37 52ms 16 Mar 2024 924th pardouin 🇫🇷 814 92 436ms 9 Sep 2024 925th emgordon154 814 118 9ms 20 days ago 926th GolfingSuccess 🇬🇷 814 185 1,907ms 23 days ago 927th thospel 813 38 117ms 2 Jun 2018 928th zyvz 813 70 12ms 16 Oct 2018 929th DialFrost 🇸🇬 812 72 138ms 20 Aug 2024 930th marcin7Cd 812 121 128ms 12 Feb 2020 931st sisyphus-ppcg 🇦🇺 811 57 11ms 12 Aug 2024 931st DialFrost 🇸🇬 811 57 12ms 12 Aug 2024 931st pardouin 🇫🇷 811 57 12ms 9 Sep 2024 931st JayXon 🇺🇸 811 57 13ms 8 Oct 2024 935th verticallity 811 111 272ms 6 Apr 2022 935th pardouin 🇫🇷 811 111 206ms 8 Sep 2024 935th nullie 811 111 153ms 31 Dec 2024 935th luuumine 🇫🇷 811 111 205ms 19 Nov 2025 939th Shanethegamer 🇺🇸 810 50 375ms 18 Jun 2021 940th GolfingSuccess 🇬🇷 810 89 15ms 25 Apr 2025 941st RockOfStone 809 101 2ms 10 Nov 2025 942nd pardouin 🇫🇷 809 186 1,830ms 14 Sep 2025 943rd CaedenHarper 🇨🇦 808 68 92ms 9 Sep 2025 944th Shanethegamer 🇺🇸 807 78 5ms 22 Apr 2023 944th GrayJoKing 🇦🇺 807 78 6ms 19 Aug 2023 944th kg583 🇺🇸 807 78 5ms 18 Feb 2026 947th bkshrader 806 87 11ms 29 Dec 2018 947th ly0va 806 87 11ms 3 Jan 2019 947th decorator-factory 806 87 11ms 19 May 2019 947th michelebastione 🇮🇹 806 87 11ms 25 Oct 2019 947th amishtal 806 87 17ms 3 Dec 2019 947th somebody1234 806 87 11ms 20 Jan 2020 947th ADV1K 🇮🇳 806 87 11ms 20 Feb 2020 947th luftj 806 87 11ms 3 May 2020 947th OwenElliottDev 806 87 11ms 19 Jul 2020 947th jameslindesay 806 87 10ms 18 Aug 2020 947th xkacer 🇨🇿 806 87 13ms 27 Jan 2021 947th richard-oelze 🇩🇪 806 87 10ms 20 Mar 2021 947th osmith93 806 87 11ms 31 Jul 2021 947th jdw1023 806 87 10ms 29 Apr 2022 First Prev 881–960 of 2,703 Next Last