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Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 825th Thonoton 348 292 10ms 9 Mar 2023 825th CristhoferT29 348 292 12ms 6 Jul 2024 825th 4very 348 292 11ms 7 Jun 2025 829th 1337-man 347 269 7ms 25 Jan 2022 830th aliakseikalosha 346 285 427ms 21 Nov 2021 831st con-cs 346 294 11ms 15 Oct 2021 831st sech1p 🇵🇱 346 294 12ms 31 Oct 2021 831st GulgDev 346 294 9ms 14 Nov 2023 834th JRaspass 🇬🇧 345 173 100ms 9 May 2021 835th AshyIsMe 🇦🇺 345 194 45ms 27 Jul 2022 836th ThatAlo 345 234 26ms 21 Dec 2022 837th JC-ProgJava 345 321 380ms 8 Jan 2022 838th KatieLG 🇬🇧 345 382 159ms 23 Mar 2024 839th IchBinMichMarkus 344 295 11ms 4 Jul 2024 840th razetime 343 154 4ms 18 Oct 2022 841st firegene 🇮🇪 343 235 21ms 6 Dec 2021 842nd ryanlanegit 342 219 224ms 19 Jun 2022 842nd KatieLG 🇬🇧 342 219 214ms 15 Sep 2022 844th Wildst 342 236 14ms 2 Nov 2022 844th codingisgreatbutiamnot 342 236 14ms 11 Aug 2024 844th mishak-sys 342 236 11ms 7 Mar 2025 847th ThibWillFulll 342 297 10ms 6 May 2022 847th null-tangent 342 297 9ms 14 May 2023 847th MCausc78 🇺🇦 342 297 13ms 20 Aug 2023 850th Vaekor 342 324 365ms 26 Feb 2024 851st MaxElf999 339 238 13ms 29 Sep 2022 852nd GolfingSuccess 🇬🇷 338 232 9ms 2 Jun 2022 853rd CatsAreFluffy 337 233 10ms 27 Jan 2023 854th MichalMarsalek 🇨🇿 337 307 81ms 12 Feb 2023 855th aksyristos 336 240 13ms 14 Mar 2023 855th Voltrifrodec 🇸🇰 336 240 14ms 27 Apr 2025 855th rustykitty 🇺🇸 336 240 16ms 14 days ago 858th Kenna-Blackburn 336 308 81ms 8 Jul 2025 859th tomh1012 335 241 14ms 30 Nov 2020 860th hacker19374 335 303 9ms 13 Mar 2023 861st apokryfos 334 304 14ms 21 Aug 2023 862nd jfrmilner 🇬🇧 333 225 234ms 13 Aug 2023 863rd lacroixjonathan87 333 239 4ms 8 Dec 2021 864th aarnoldaas 333 305 18ms 7 May 2021 865th Re-Adventures 🇮🇳 332 240 4ms 7 Jul 2023 866th BrenSchaap 332 243 10ms 21 Oct 2021 866th Mathrew2012 332 243 24ms 9 Nov 2024 868th Natanaelel 🇸🇪 331 237 7ms 13 May 2022 869th KatieLG 🇬🇧 331 312 86ms 14 Jan 2023 870th 4hg 🇺🇸 330 203 47ms 19 Jun 2024 871st olavaga 330 244 10ms 13 Aug 2021 871st ellieoverwood 330 244 11ms 29 Dec 2021 871st jeaosh 330 244 11ms 19 Nov 2024 874th HassanAliKadhem 🇧🇭 329 300 458ms 15 Jan 2022 875th MCausc78 🇺🇦 329 303 181ms 18 Jan 2024 876th The-Wolfson 327 316 81ms 17 Dec 2024 877th IISResetMe 325 230 321ms 4 Jun 2025 878th KatieLG 🇬🇧 324 308 191ms 23 Mar 2024 879th dokutan 323 289 3ms 5 Jun 2024 880th emgordon154 320 238 2ms 24 Oct 2024 881st kejcao 🇨🇦 320 252 10ms 10 May 2024 882nd Mabeloid 🇳🇴 317 319 2ms 21 Sep 2024 883rd msbranicky 317 326 85ms 12 Oct 2023 884th janbehrens 🇩🇪 317 338 1,143ms 20 Nov 2022 885th hymanimy 316 255 24ms 23 Nov 2021 886th KatieLG 🇬🇧 314 344 11ms 12 Dec 2024 887th janbehrens 🇩🇪 313 199 822ms 17 Nov 2022 888th Henrixounez 313 325 10ms 17 Sep 2021 889th HassanAliKadhem 🇧🇭 312 258 14ms 4 Jan 2022 890th cros107 🇦🇺 311 259 14ms 11 Aug 2023 891st Shanethegamer 🇺🇸 311 339 31ms 13 Apr 2025 892nd madex 🇩🇪 310 260 14ms 16 Aug 2025 893rd RealAMC 🇳🇿 310 279 2ms 26 Nov 2023 894th okhoel 🇳🇴 309 242 222ms 14 Sep 2022 895th SpareManiKatti 309 319 325ms 21 Nov 2021 896th HumanoidCPU 308 335 97ms 12 Nov 2023 897th mrmena 🇦🇺 307 314 57ms 16 Apr 2024 898th kevinnaviapaiva 307 331 10ms 28 Feb 2025 899th nat-418 305 304 4ms 2 Nov 2022 900th KatieLG 🇬🇧 304 212 34ms 2 Oct 2025 First Prev 826–900 of 1,259 Next Last