The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 30 hours. Why not try and solve them ahead of time?
Star Wars GPT 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 241st voytxt 🇨🇿 694 149 12ms 2 May 2025 242nd MeWhenI 🇻🇦 692 107 9ms 12 Jul 2025 243rd CaedenHarper 🇨🇦 690 159 12ms 29 Jul 2025 244th m-tkach 🇺🇦 690 435 60ms 2 Oct 2025 245th MeWhenI 🇻🇦 689 230 172ms 11 Jul 2025 246th OllieBoyne 🇬🇧 686 160 71ms 19 May 2025 246th BREMAUCY 🇫🇷 686 160 15ms 25 Aug 2025 248th Natanaelel 🇸🇪 682 96 4ms 30 Apr 2025 249th error256 681 144 3,728ms 5 May 2025 250th tobeannouncd 681 161 12ms 12 May 2025 251st emgordon154 679 109 26ms 2 Aug 2025 252nd DialFrost 🇸🇬 677 121 1,338ms 24 Jun 2025 253rd pardouin 🇫🇷 676 153 16ms 9 May 2025 253rd alexsave 676 153 15ms 2 Dec 2025 255th DialFrost 🇸🇬 674 110 1,012ms 17 Feb 2026 256th targrik 673 162 12ms 29 Dec 2025 257th HumanoidCPU 673 163 13ms 28 Apr 2025 257th cros107 🇦🇺 673 163 12ms 3 Jun 2025 259th edsrzf 🇳🇿 671 243 68ms 19 Jun 2025 260th KasperKivimaeki 🇫🇮 671 295 107ms 18 Nov 2025 261st DialFrost 🇸🇬 663 266 425ms 24 Sep 2025 261st kmathis22 663 266 543ms 12 Dec 2025 263rd Natanaelel 🇸🇪 661 94 183ms 1 May 2025 264th ahmetdemirag 🇨🇾 661 166 13ms 13 May 2025 265th albanian-laundromat 658 196 411ms 5 Aug 2025 266th luuumine 🇫🇷 657 167 13ms 21 Oct 2025 267th annaproxy 655 225 21ms 7 May 2025 268th Shanethegamer 🇺🇸 654 158 13ms 5 May 2025 268th zakariamouhid 654 158 11ms 8 May 2025 270th rucin93 🇵🇱 653 167 18ms 9 May 2025 271st Shanethegamer 🇺🇸 649 151 3,245ms 5 May 2025 272nd scpchicken 🇵🇼 641 171 11ms 1 May 2025 273rd CaedenHarper 🇨🇦 640 315 286ms 10 Nov 2025 274th guilhem-roy 🇫🇷 638 172 43ms 29 May 2025 275th albanian-laundromat 634 123 4ms 12 days ago 276th emgordon154 633 61 83ms 9 Nov 2025 277th CaedenHarper 🇨🇦 632 154 535ms 29 Jul 2025 278th Pyroan 630 174 11ms 7 May 2025 278th Mikey-Beep 🇬🇧 630 174 12ms 25 Jul 2025 280th DialFrost 🇸🇬 630 218 1,053ms 3 Aug 2025 281st Shanethegamer 🇺🇸 628 105 42ms 23 Mar 2025 282nd HumanoidCPU 628 155 578ms 28 Apr 2025 283rd stefangimmillaro 628 192 471ms 3 May 2025 284th snyderek 🇺🇸 624 326 3,193ms 26 May 2025 285th emgordon154 623 166 19ms 6 May 2025 286th stefangimmillaro 619 167 12ms 28 Apr 2025 286th acollett89 619 167 11ms 4 Aug 2025 288th KatieLG 🇬🇧 617 107 44ms 4 May 2025 289th andrewjc2000 616 178 15ms 13 Jun 2025 290th vhoulbreque 🇫🇷 606 181 12ms 1 May 2025 291st CaedenHarper 🇨🇦 596 230 114ms 12 Jul 2025 292nd SB-945 590 186 24ms 4 Jun 2025 293rd ZakkkkAttackkkk 🇵🇭 583 188 11ms 27 May 2025 294th HumanoidCPU 581 178 12ms 28 Apr 2025 294th BambooleanLogic 🇸🇪 581 178 11ms 6 May 2025 296th MeWhenI 🇻🇦 580 221 4,663ms 29 Apr 2025 297th h3ra993huskp 🇯🇵 580 304 683ms 30 Nov 2025 298th madex 🇩🇪 575 344 2ms 1 May 2025 299th rollershutter 565 194 13ms 22 May 2025 300th snoozingnewt 🇨🇦 565 302 4ms 15 Oct 2025 301st meenie 562 184 16ms 18 May 2025 302nd roguh 🇬🇹 560 196 17ms 30 Apr 2025 303rd CaedenHarper 🇨🇦 556 186 12ms 29 Aug 2025 304th b10011 🇫🇮 554 198 28ms 4 May 2025 305th raymur 548 200 22ms 16 Jul 2025 306th albanian-laundromat 548 323 139ms 2 Dec 2025 307th madex 🇩🇪 541 122 43ms 1 May 2025 308th iczelia 🇩🇪 536 193 15ms 26 Sep 2025 309th retrohun 534 185 382ms 10 May 2025 310th emgordon154 530 232 121ms 5 May 2025 311th aliakseikalosha 529 228 497ms 25 Jul 2025 312th CatsAreFluffy 528 165 45ms 8 May 2025 313th jared-hughes 517 212 12ms 4 May 2025 314th SirBogman 🇺🇸 510 122 166ms 12 Jul 2025 315th retrohun 505 217 13ms 1 May 2025 316th MeWhenI 🇻🇦 500 241 484ms 11 Jul 2025 317th CaedenHarper 🇨🇦 497 355 581ms 6 Oct 2025 318th albanian-laundromat 490 330 1,399ms 12 days ago 319th weliveinhell 🇭🇹 485 213 12ms 14 Jun 2025 320th brochmann 🇸🇪 483 227 13ms 12 Oct 2025 First Prev 241–320 of 365 Next Last