The Multitap Input hole will go live in approximately 5 days. 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 559th Lv0Sys 🇵🇱 479 169 10ms 7 Dec 2025 559th Andrey2001 479 169 17ms 17 Dec 2025 563rd MeWhenI 🇻🇦 478 148 165ms 25 Oct 2024 564th MeWhenI 🇻🇦 478 265 15ms 26 Aug 2023 565th commandz0 🇺🇸 477 159 481ms 1 Sep 2025 565th TheZwierzLF 🇵🇱 477 159 561ms 23 Nov 2025 567th Alex-x90 🇺🇸 476 170 18ms 15 Dec 2023 567th TheZwierzLF 🇵🇱 476 170 18ms 22 May 2025 569th Lv0Sys 🇵🇱 476 174 10ms 7 Dec 2025 570th stefangimmillaro 473 110 39ms 12 May 2025 571st SniperSmiley 🇺🇸 471 172 17ms 29 Jun 2022 571st adoxography 471 172 18ms 8 Aug 2022 573rd MeWhenI 🇻🇦 471 301 1,449ms 25 May 2022 574th neihousaigaai 468 173 12ms 17 May 2022 575th acollett89 468 177 11ms 4 Aug 2025 576th dokutan 466 168 581ms 7 Apr 2024 577th Bonjour27891 🇻🇳 465 174 17ms 5 Jul 2022 578th KatieLG 🇬🇧 464 112 35ms 2 Oct 2025 579th croc54 463 175 17ms 8 Jan 2025 580th emgordon154 462 220 4ms 3 Jan 2025 581st MichalMarsalek 🇨🇿 460 176 10ms 20 May 2022 582nd GolfingSuccess 🇬🇷 458 241 71ms 19 Sep 2023 583rd fgrosshans 🇫🇷 457 177 10ms 3 Nov 2022 584th Natanaelel 🇸🇪 456 114 40ms 17 Jul 2023 585th MaxElf999 455 178 18ms 27 Sep 2022 585th za3k 455 178 10ms 14 Dec 2022 587th MeWhenI 🇻🇦 453 253 588ms 11 May 2022 588th BambooleanLogic 🇸🇪 452 183 10ms 15 Nov 2022 589th MeWhenI 🇻🇦 451 567 15ms 15 Nov 2023 590th Eilonlif 🇮🇱 447 181 10ms 15 Feb 2024 591st mbittner20 445 182 11ms 27 May 2023 591st rollershutter 445 182 10ms 4 Jul 2024 593rd frankgraziano 443 143 12ms 7 Mar 2025 594th sleepyStick 440 184 16ms 15 Jul 2022 595th SirFireball3521 438 185 17ms 6 Mar 2023 595th CutSandstone 438 185 16ms 4 Jul 2024 597th jerrandolph 438 269 257ms 1 Oct 2025 598th nullie 435 186 17ms 8 Jun 2022 599th scpchicken 🇵🇼 433 187 16ms 4 Feb 2023 600th martinnorling 🇸🇪 431 188 16ms 10 May 2022 600th bac0id 431 188 16ms 5 Jul 2024 602nd 0dyse 430 250 2ms 12 May 2025 603rd AstroOrbis 428 189 18ms 12 Jul 2025 604th roguh 🇬🇹 428 246 2ms 18 Oct 2024 605th Lv0Sys 🇵🇱 426 122 36ms 7 Dec 2025 606th hiichbindermax 426 190 18ms 8 Feb 2023 607th MeWhenI 🇻🇦 425 207 14ms 1 Oct 2022 608th aksyristos 425 291 2,511ms 12 Mar 2023 609th jhpaques 🇫🇷 424 191 17ms 26 Jul 2022 609th hellwue 424 191 16ms 8 Feb 2023 611th madeforlosers 422 192 18ms 13 Nov 2025 612th 0dyse 422 293 75ms 12 May 2025 613th JOrE20 🇺🇸 421 416 26ms 23 days ago 614th pschmid0 🇺🇸 420 225 5ms 29 Sep 2022 615th JRaspass 🇬🇧 419 157 3ms 8 May 2022 616th msbranicky 419 193 17ms 10 Aug 2023 617th Pena86 415 195 18ms 14 Sep 2022 618th guilhem-roy 🇫🇷 415 259 2ms 9 May 2022 619th voytxt 🇨🇿 411 197 17ms 1 Mar 2023 620th 0dyse 405 200 16ms 13 Sep 2025 621st KatieLG 🇬🇧 405 313 11ms 17 Apr 2024 622nd msbranicky 402 293 2,319ms 11 Jan 2025 623rd blaztoma 🇱🇹 400 130 34ms 11 Oct 2025 624th scpchicken 🇵🇼 400 136 135ms 8 May 2022 625th MeWhenI 🇻🇦 397 256 4ms 6 Aug 2023 626th adamnielson42 🇺🇸 395 205 10ms 14 Apr 2023 627th aDwarfNamedUrist 395 266 2ms 30 Oct 2023 628th alexeldridge 393 206 16ms 8 Aug 2024 628th celiendonze 🇨🇭 393 206 11ms 5 days ago 630th msbranicky 391 194 541ms 17 Jan 2024 631st eiburns 391 207 16ms 26 Oct 2023 632nd yuchuehw 389 208 17ms 25 Feb 2024 633rd shinh 385 135 33ms 25 Jun 2022 633rd emgordon154 385 135 36ms 12 Sep 2024 635th adamnielson42 🇺🇸 385 215 10ms 26 Apr 2023 636th MeWhenI 🇻🇦 384 122 3ms 11 May 2022 637th msbranicky 378 207 209ms 20 Jan 2024 638th Haksell 🇦🇶 374 139 34ms 23 Feb 2023 639th Natanaelel 🇸🇪 370 147 143ms 13 Nov 2022 640th adoxography 369 141 36ms 2 Mar 2024 First Prev 561–640 of 704 Next Last
