The Continued Fractions hole will go live in approximately 6 hours. Why not try and solve it ahead of time?
Rijndael S-box 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 241st anter69 🇭🇺 721 141 33ms 5 Dec 2025 242nd SirBogman 🇺🇸 720 547 15ms 27 Sep 2023 243rd ndren 719 170 17ms 9 Oct 2025 243rd blaztoma 🇱🇹 719 170 46ms 13 Nov 2025 243rd Lv0Sys 🇵🇱 719 170 11ms 3 days ago 246th xsot 🇸🇬 714 179 22ms 19 Jun 2025 247th jared-hughes 713 185 10ms 7 Sep 2023 247th stefangimmillaro 713 185 16ms 30 Sep 2024 249th stefangimmillaro 713 187 402ms 20 Jun 2025 250th adriweb 🇫🇷 711 206 2ms 1 Sep 2023 251st lifthrasiir 🇰🇷 707 101 3ms 30 Nov 2024 252nd GolfingSuccess 🇬🇷 705 163 526ms 15 Jan 2024 253rd Argeento 🇵🇱 705 187 10ms 4 Oct 2023 254th jacobly0 🇺🇸 704 208 1ms 15 Oct 2023 255th jared-hughes 703 174 9ms 5 Sep 2023 256th MeWhenI 🇻🇦 703 471 3ms 1 Sep 2023 257th m-tkach 🇺🇦 702 287 35ms 18 Jan 2024 258th lynn 699 274 185ms 12 Jun 2024 259th error256 696 173 414ms 9 Oct 2024 260th stefangimmillaro 696 224 2,368ms 11 Nov 2024 261st MostParsingVex 693 225 2,368ms 11 Nov 2024 262nd weliveinhell 🇭🇹 692 174 302ms 6 Jan 2024 263rd acotis 690 170 137ms 29 May 2025 264th stefangimmillaro 690 206 554ms 6 Oct 2025 265th neel11235813 688 167 507ms 1 Mar 2024 266th rucin93 🇵🇱 688 203 156ms 3 Aug 2024 267th sean-niemann 🇺🇸 687 207 499ms 26 Sep 2025 268th CaedenHarper 🇨🇦 684 175 1,930ms 23 Oct 2025 268th albanian-laundromat 684 175 2,623ms 25 Oct 2025 270th IanUtley 684 274 609ms 4 Feb 2025 271st trinityy-7 684 484 3ms 11 Feb 2024 272nd sean-niemann 🇺🇸 683 195 435ms 20 Jun 2025 273rd adamnielson42 🇺🇸 680 107 230ms 6 Sep 2023 273rd CaedenHarper 🇨🇦 680 107 231ms 30 Jan 2025 275th edsrzf 🇳🇿 678 346 5ms 18 Oct 2025 276th MeWhenI 🇻🇦 676 195 10ms 3 Aug 2024 276th JOrE20 676 195 9ms 18 days ago 278th lyphyser 675 174 128ms 8 Sep 2023 279th weliveinhell 🇭🇹 673 196 12ms 6 Jan 2024 280th stefangimmillaro 672 216 299ms 9 Sep 2023 281st SirBogman 🇺🇸 668 166 289ms 21 Sep 2023 282nd guilhem-roy 🇫🇷 668 183 10ms 10 Jul 2024 283rd KrausRaus 🇺🇸 666 198 9ms 27 Sep 2023 284th CaedenHarper 🇨🇦 660 200 13ms 7 Sep 2025 285th m-tkach 🇺🇦 657 186 23ms 10 Nov 2023 286th uttumuttu 🇫🇮 656 201 10ms 4 Sep 2023 287th MeWhenI 🇻🇦 656 213 148ms 3 Aug 2024 288th stefangimmillaro 654 187 2,829ms 9 Sep 2023 288th MarcMush 🇫🇷 654 187 840ms 7 Jan 2024 288th FortuiteMan 🇫🇷 654 187 10ms 27 Nov 2025 291st emgordon154 650 203 10ms 20 Oct 2024 292nd stefangimmillaro 650 204 26ms 17 Sep 2023 292nd targrik 650 204 7ms 15 May 2025 294th namelessiw 650 205 434ms 21 Jul 2025 295th pardouin 🇫🇷 648 130 1,362ms 10 Aug 2025 296th SirBogman 🇺🇸 645 116 2ms 11 Jan 2024 297th neel11235813 644 113 224ms 10 Oct 2023 298th stefangimmillaro 643 158 1,303ms 9 Sep 2023 299th MeWhenI 🇻🇦 643 186 1,121ms 15 Sep 2025 300th Languag3 643 190 11ms 22 Jan 2026 301st emgordon154 641 144 25ms 14 days ago 302nd pardouin 🇫🇷 635 210 425ms 25 Oct 2024 303rd FortuiteMan 🇫🇷 635 804 8ms 24 Jan 2026 304th CaedenHarper 🇨🇦 633 193 148ms 14 Aug 2025 305th KatieLG 🇬🇧 630 526 3ms 7 Jun 2025 306th emgordon154 629 222 152ms 20 Nov 2024 307th weliveinhell 🇭🇹 628 119 2ms 16 Jan 2024 307th error256 628 119 1ms 27 May 2024 309th dvargas46 🇺🇸 627 164 4ms 7 Sep 2023 310th pardouin 🇫🇷 626 227 493ms 24 Sep 2025 311th GolfingSuccess 🇬🇷 625 528 7ms 20 Dec 2024 312th madeforlosers 622 212 9ms 5 Nov 2024 313th blaztoma 🇱🇹 617 118 223ms 19 Oct 2025 314th GrayJoKing 🇦🇺 617 209 74ms 13 Sep 2024 315th CLOStrophobic 🇮🇹 616 298 7ms 18 Feb 2025 316th SirBogman 🇺🇸 615 231 436ms 27 Sep 2023 317th dokutan 614 680 1,509ms 26 Jan 2026 318th ovs-code 🇩🇪 608 123 1ms 18 Apr 2025 319th primo-ppcg 🇹🇭 608 206 6ms 3 Sep 2023 320th stefangimmillaro 607 222 41ms 26 Apr 2025 First Prev 241–320 of 1,427 Next Last