Jacobi Symbol in all languages in chars. 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 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 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 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 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 376th CaedenHarper 🇨🇦 628 199 359ms 17 Oct 2025 377th SirBogman 🇺🇸 626 83 37ms 14 May 2022 377th janlelis 626 83 64ms 21 Sep 2024 379th AlephSquirrel 625 121 494ms 21 Jan 2024 380th bac0id 625 172 2ms 29 Jun 2024 381st AlephSquirrel 622 130 29ms 21 Jul 2022 382nd stefangimmillaro 622 133 13ms 19 Sep 2024 383rd janbehrens 🇩🇪 622 152 4ms 3 Jul 2023 384th Ripick 622 211 370ms 18 Aug 2024 385th GrayJoKing 🇦🇺 621 106 3ms 20 May 2022 386th tomh1012 619 202 300ms 5 days ago 387th edsrzf 🇳🇿 619 212 364ms 23 Jul 2025 388th DialFrost 🇸🇬 619 251 3ms 26 May 2024 389th CaedenHarper 🇨🇦 617 134 9ms 13 days ago 390th c0d3-4-F00d 🇩🇪 614 175 2ms 23 May 2022 391st Yewzir 🇧🇪 614 345 1,713ms 24 May 2024 392nd IanUtley 613 188 143ms 15 Nov 2023 393rd dokutan 612 224 44ms 31 Aug 2024 394th nwellnhof 🇩🇪 611 85 37ms 20 May 2022 395th inventshah 611 128 250ms 6 Nov 2022 396th SirBogman 🇺🇸 610 419 18ms 27 Dec 2023 397th zakariamouhid 608 136 11ms 11 May 2023 397th gigaprofisi 🇺🇸 608 136 10ms 10 Aug 2025 399th GolfingSuccess 🇬🇷 607 61 54ms 14 Aug 2022 400th anter69 🇭🇺 604 86 65ms 13 Feb 2024 401st anter69 🇭🇺 604 133 983ms 16 Feb 2023 402nd Natanaelel 🇸🇪 604 206 169ms 9 May 2022 402nd annaproxy 604 206 201ms 3 Jun 2022 404th SirBogman 🇺🇸 604 235 1,429ms 26 May 2022 405th annaproxy 603 191 39ms 23 Oct 2022 406th MeWhenI 🇻🇦 602 165 11ms 16 Aug 2024 407th stefangimmillaro 602 213 49ms 15 Jul 2023 408th MeWhenI 🇻🇦 602 239 8ms 23 Jun 2024 409th tobeannouncd 601 207 147ms 2 Jan 2024 410th klixel 🇨🇦 601 260 226ms 9 Jun 2023 411th MeWhenI 🇻🇦 600 117 9ms 18 May 2022 412th SirBogman 🇺🇸 600 192 131ms 6 Oct 2025 413th 5cw 🇺🇸 599 135 10ms 4 May 2025 413th Babafaba 599 135 17ms 7 Sep 2025 415th jared-hughes 597 106 23ms 19 Jul 2022 416th MeWhenI 🇻🇦 596 149 764ms 15 Sep 2025 417th MeWhenI 🇻🇦 596 215 45ms 23 Jun 2024 418th emgordon154 595 167 16ms 27 Aug 2024 419th GrayJoKing 🇦🇺 591 88 46ms 25 Oct 2023 420th hamhub7 590 212 353ms 8 Aug 2022 421st dokutan 589 181 16ms 1 Jul 2024 422nd inventshah 586 129 619ms 21 Jan 2024 423rd lynn 586 138 10ms 4 Jun 2022 424th SirBogman 🇺🇸 585 219 60ms 4 Nov 2024 425th Yewzir 🇧🇪 584 202 272ms 27 Oct 2023 426th MeWhenI 🇻🇦 582 137 236ms 29 Jan 2023 427th Yewzir 🇧🇪 582 215 379ms 22 Dec 2024 428th retrohun 581 109 12ms 12 Oct 2024 429th jared-hughes 578 140 10ms 19 Jul 2022 429th ryyyn 🇺🇸 578 140 29ms 7 days ago 431st eranws 578 143 15ms 23 Oct 2022 431st AlephSquirrel 578 143 10ms 21 Dec 2022 433rd Shanethegamer 🇺🇸 577 90 45ms 12 May 2022 434th DialFrost 🇸🇬 576 178 2ms 29 Jan 2024 435th rifatx 575 205 265ms 23 Jul 2024 436th Yewzir 🇧🇪 575 215 2,252ms 7 May 2024 437th emgordon154 574 140 1,010ms 25 Nov 2024 438th cingulataluke 574 141 11ms 27 Aug 2023 438th MeWhenI 🇻🇦 574 141 10ms 22 May 2024 440th two-bad 🇬🇧 574 144 10ms 9 Feb 2024 441st GolfingSuccess 🇬🇷 570 142 10ms 21 May 2022 442nd msbranicky 570 274 268ms 1 Oct 2023 443rd GolfingSuccess 🇬🇷 569 133 532ms 20 Jan 2024 444th MeWhenI 🇻🇦 569 166 4ms 28 May 2023 445th SirBogman 🇺🇸 569 185 2ms 21 May 2022 446th janbehrens 🇩🇪 567 138 325ms 12 May 2022 447th martinnorling 🇸🇪 566 124 10ms 13 May 2022 448th coreynash 566 146 12ms 19 Oct 2023 448th alexsave 566 146 10ms 5 days ago 450th MeWhenI 🇻🇦 566 307 67ms 23 Jun 2024 First Prev 376–450 of 684 Next Last