The Multitap Input hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Arrows 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 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 Bytes Time Submitted 641st janbehrens 🇩🇪 499 130 3ms 17 Jun 2023 642nd stefangabos 🇷🇴 499 170 12ms 15 Sep 2022 642nd weliveinhell 🇭🇹 499 170 12ms 2 Oct 2023 644th PhysicDev 🇫🇷 499 191 12ms 4 Oct 2022 644th FranklinJiaChen 499 191 10ms 12 Jun 2024 646th KatieLG 🇬🇧 499 262 3ms 8 Nov 2025 647th rowboat1 497 192 14ms 11 Jun 2022 647th TaserTheFox 🇺🇸 497 192 12ms 3 Jan 2023 647th PaulMWeiser 497 192 11ms 8 Mar 2023 647th CaedenHarper 🇨🇦 497 192 13ms 18 Jan 2025 651st IanUtley 497 241 14ms 14 May 2024 652nd retrohun 497 370 4ms 15 Nov 2025 653rd trinityy-7 496 171 12ms 17 Jul 2023 654th CaedenHarper 🇨🇦 495 183 1,799ms 16 Oct 2025 655th janbehrens 🇩🇪 494 138 312ms 1 Nov 2021 656th martinnorling 🇸🇪 494 193 10ms 25 Feb 2022 656th aazuspan 494 193 10ms 8 Aug 2022 656th roguh 🇬🇹 494 193 11ms 22 Jan 2024 659th Maznek 493 172 12ms 14 Jun 2023 659th 4very 493 172 12ms 10 Jun 2025 661st snoozingnewt 🇨🇦 492 116 126ms 10 Dec 2025 662nd bobbysq 492 194 11ms 10 May 2023 662nd cros107 🇦🇺 492 194 19ms 9 Aug 2023 662nd Mikey-Beep 🇬🇧 492 194 16ms 25 Aug 2023 665th KatieLG 🇬🇧 491 241 4ms 30 Oct 2021 666th strout 491 303 176ms 15 Aug 2022 667th setop 489 195 11ms 18 Aug 2023 667th slimer37 489 195 10ms 6 Dec 2025 669th varhammer 🇷🇺 488 288 9ms 13 Dec 2023 670th Pimentero 🇷🇺 487 168 6ms 10 Nov 2022 671st igmcdowell 487 174 12ms 14 Nov 2021 672nd smartiel 487 196 35ms 18 Sep 2022 672nd PyryL 🇫🇮 487 196 13ms 21 Aug 2024 674th ShiraJoseph 🇺🇸 485 175 13ms 7 May 2022 675th knutae 🇳🇴 484 197 11ms 29 Oct 2021 675th btjones0 484 197 10ms 4 Dec 2021 675th RDShah 484 197 10ms 8 Jun 2022 675th QuincyNash 🇺🇸 484 197 10ms 6 Dec 2022 675th HumanoidCPU 484 197 13ms 31 Oct 2024 675th yokasuretsu 484 197 10ms 4 Jan 2025 675th RobertHoeh 484 197 10ms 3 Mar 2025 675th gamk3 484 197 11ms 6 May 2025 683rd iliazeus 482 176 12ms 4 Sep 2022 684th DrPrettyman 482 198 12ms 12 Jul 2023 684th jacekwladzinski 482 198 10ms 8 Oct 2025 686th btjones0 482 282 256ms 8 Dec 2021 687th rvs314 480 143 47ms 24 Sep 2024 688th scpchicken 🇵🇼 480 283 230ms 6 Apr 2022 689th rgthree 479 177 14ms 6 Sep 2023 690th asheeri 479 199 10ms 23 Aug 2021 690th BrenSchaap 479 199 10ms 21 Oct 2021 690th scpchicken 🇵🇼 479 199 12ms 7 Mar 2022 690th thiccaxe 479 199 13ms 3 Oct 2022 690th DialFrost 🇸🇬 479 199 12ms 11 Feb 2023 690th jmerle 🇳🇱 479 199 13ms 17 Jul 2023 690th dainiak 479 199 12ms 23 Jul 2023 690th AbhilashaTandon 479 199 14ms 24 Sep 2023 690th Mabeloid 🇳🇴 479 199 10ms 7 Sep 2024 690th JunkIce 479 199 10ms 4 Oct 2024 690th Flekay 🇩🇪 479 199 11ms 10 Jul 2025 690th wuduculfre 479 199 10ms 29 Jul 2025 690th katss2 479 199 12ms 14 Aug 2025 690th Lv0Sys 🇵🇱 479 199 15ms 5 Dec 2025 704th tailorspy 478 229 72ms 25 Aug 2024 705th SirFireball3521 477 200 30ms 25 Jan 2023 705th wuzekai518 477 200 10ms 28 Jun 2024 705th kistlerf 🇨🇭 477 200 14ms 14 May 2025 708th dbkirk4211 476 178 12ms 3 May 2024 708th Salutations45 476 178 12ms 21 Dec 2024 710th tetrogem 474 179 13ms 23 Aug 2025 711th Bonjour27891 🇻🇳 474 201 11ms 4 Mar 2022 711th guilhem-roy 🇫🇷 474 201 14ms 9 May 2022 711th MaxElf999 474 201 11ms 19 Sep 2022 711th tri1212 🇻🇳 474 201 11ms 3 Jun 2024 711th cykim8811 474 201 10ms 10 Jul 2024 711th vgamula 🇺🇦 474 201 13ms 15 Jul 2025 711th Alex-Huggett 🇬🇧 474 201 10ms 14 Sep 2025 718th marcin7Cd 472 202 10ms 25 Aug 2021 718th mbittner20 472 202 11ms 22 Sep 2024 720th danielphilpottwork 471 180 12ms 16 Sep 2024 First Prev 641–720 of 1,284 Next Last
