The Multitap Input hole will go live in approximately 28 hours. Why not try and solve it ahead of time?
Jacobi Symbol in all languages in chars. 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 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 Multitap Input 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 ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input 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 Chars Time Submitted 561st jared-hughes 482 108 35ms 26 Dec 2023 562nd aksyristos 482 168 16ms 25 Jan 2023 563rd jtaxen 479 169 17ms 1 Apr 2024 563rd Flekay 🇩🇪 479 169 16ms 10 Jul 2025 563rd Lv0Sys 🇵🇱 479 169 10ms 7 Dec 2025 563rd Andrey2001 479 169 17ms 17 Dec 2025 567th MeWhenI 🇻🇦 478 148 165ms 25 Oct 2024 568th MeWhenI 🇻🇦 478 265 15ms 26 Aug 2023 569th commandz0 🇺🇸 477 159 481ms 1 Sep 2025 569th TheZwierzLF 🇵🇱 477 159 561ms 23 Nov 2025 571st Alex-x90 🇺🇸 476 170 18ms 15 Dec 2023 571st TheZwierzLF 🇵🇱 476 170 18ms 22 May 2025 573rd Lv0Sys 🇵🇱 476 174 10ms 7 Dec 2025 574th stefangimmillaro 473 110 39ms 12 May 2025 575th SniperSmiley 🇺🇸 471 172 17ms 29 Jun 2022 575th adoxography 471 172 18ms 8 Aug 2022 577th MeWhenI 🇻🇦 471 301 1,449ms 25 May 2022 578th neihousaigaai 468 173 12ms 17 May 2022 579th acollett89 468 177 11ms 4 Aug 2025 580th dokutan 466 168 581ms 7 Apr 2024 581st Bonjour27891 🇻🇳 465 174 17ms 5 Jul 2022 582nd KatieLG 🇬🇧 464 112 35ms 2 Oct 2025 583rd croc54 463 175 17ms 8 Jan 2025 584th emgordon154 462 220 4ms 3 Jan 2025 585th MichalMarsalek 🇨🇿 460 176 10ms 20 May 2022 586th GolfingSuccess 🇬🇷 458 241 71ms 19 Sep 2023 587th fgrosshans 🇫🇷 457 177 10ms 3 Nov 2022 588th Natanaelel 🇸🇪 456 114 40ms 17 Jul 2023 589th MaxElf999 455 178 18ms 27 Sep 2022 589th za3k 455 178 10ms 14 Dec 2022 591st MeWhenI 🇻🇦 453 253 588ms 11 May 2022 592nd BambooleanLogic 🇸🇪 452 183 10ms 15 Nov 2022 593rd MeWhenI 🇻🇦 451 567 15ms 15 Nov 2023 594th Andrey2001 449 169 493ms 46 hours ago 595th JOrE20 🇺🇸 448 391 26ms 5 hours ago 596th Eilonlif 🇮🇱 447 181 10ms 15 Feb 2024 597th mbittner20 445 182 11ms 27 May 2023 597th rollershutter 445 182 10ms 4 Jul 2024 599th frankgraziano 443 143 12ms 7 Mar 2025 600th sleepyStick 440 184 16ms 15 Jul 2022 601st jerrandolph 439 269 257ms 1 Oct 2025 602nd SirFireball3521 438 185 17ms 6 Mar 2023 602nd CutSandstone 438 185 16ms 4 Jul 2024 604th nullie 435 186 17ms 8 Jun 2022 605th scpchicken 🇵🇼 433 187 16ms 4 Feb 2023 606th martinnorling 🇸🇪 431 188 16ms 10 May 2022 606th bac0id 431 188 16ms 5 Jul 2024 608th 0dyse 430 250 2ms 12 May 2025 609th AstroOrbis 428 189 18ms 12 Jul 2025 610th roguh 🇬🇹 428 246 2ms 18 Oct 2024 611th Lv0Sys 🇵🇱 426 122 36ms 7 Dec 2025 612th hiichbindermax 426 190 18ms 8 Feb 2023 613th MeWhenI 🇻🇦 425 207 14ms 1 Oct 2022 614th aksyristos 425 291 2,511ms 12 Mar 2023 615th jhpaques 🇫🇷 424 191 17ms 26 Jul 2022 615th hellwue 424 191 16ms 8 Feb 2023 617th madeforlosers 422 192 18ms 13 Nov 2025 618th 0dyse 422 293 75ms 12 May 2025 619th pschmid0 🇺🇸 420 225 5ms 29 Sep 2022 620th JRaspass 🇬🇧 419 157 3ms 8 May 2022 621st msbranicky 419 193 17ms 10 Aug 2023 622nd Pena86 415 195 18ms 14 Sep 2022 623rd guilhem-roy 🇫🇷 415 259 2ms 9 May 2022 624th voytxt 🇨🇿 411 197 17ms 1 Mar 2023 625th 0dyse 405 200 16ms 13 Sep 2025 626th KatieLG 🇬🇧 405 313 11ms 17 Apr 2024 627th msbranicky 402 293 3,203ms 11 Jan 2025 628th blaztoma 🇱🇹 400 130 34ms 11 Oct 2025 629th scpchicken 🇵🇼 400 136 134ms 8 May 2022 630th MeWhenI 🇻🇦 397 256 4ms 6 Aug 2023 631st adamnielson42 🇺🇸 395 205 10ms 14 Apr 2023 632nd aDwarfNamedUrist 395 266 2ms 30 Oct 2023 633rd alexeldridge 393 206 16ms 8 Aug 2024 633rd celiendonze 🇨🇭 393 206 11ms 9 days ago 635th msbranicky 391 194 541ms 17 Jan 2024 636th eiburns 391 207 16ms 26 Oct 2023 637th yuchuehw 389 208 17ms 25 Feb 2024 638th shinh 385 135 33ms 25 Jun 2022 638th emgordon154 385 135 36ms 12 Sep 2024 640th adamnielson42 🇺🇸 385 215 10ms 26 Apr 2023 First Prev 561–640 of 709 Next Last