The Tower of Hanoi hole will go live momentarily. Why not try and solve it ahead of time?
Spelling Numbers in Python 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 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 Taxicab 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 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 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 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 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 Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 150th luuumine 🇫🇷 424 467 20ms 23 days ago 152nd hellwue 423 468 14ms 2 Sep 2024 153rd ndren 421 470 20ms 7 Aug 2023 154th robin-scragg 420 471 21ms 29 Sep 2025 155th RaBa21 🇭🇺 419 472 35ms 13 Jul 2025 156th Florian-Mt 419 473 19ms 12 Jul 2024 157th andre-lameirinhas 🇵🇹 418 474 13ms 27 Apr 2020 158th NanduBC 415 477 21ms 18 Apr 2021 159th trist224 🇫🇷 413 480 13ms 16 Nov 2022 159th yuchuehw 413 480 13ms 1 Jan 2024 161st Jaydosu 410 483 19ms 26 Oct 2021 162nd luftj 409 484 13ms 3 May 2020 162nd keelimeguy 🇺🇸 409 484 19ms 8 May 2025 164th myleopard 408 485 13ms 13 Oct 2021 165th jfallon1997 406 488 13ms 5 Jan 2023 165th Chara-0x 406 488 11ms 18 Sep 2025 167th vonKrafft 405 489 14ms 27 Mar 2020 167th sciencedjinn 405 489 13ms 8 Nov 2024 169th dmoa 404 490 19ms 29 May 2020 169th nullie 404 490 13ms 16 Jun 2022 169th QuincyNash 🇺🇸 404 490 14ms 16 Nov 2022 169th jamesthekee 404 490 13ms 27 Jan 2025 173rd r-benson 🇬🇧 402 492 12ms 31 Jan 2023 174th mrmabs 399 496 14ms 16 Jun 2021 175th Upload-and-View 🇺🇦 394 502 16ms 16 Aug 2025 176th BobDotCom 393 504 13ms 25 Mar 2022 177th PFischbeck 392 505 12ms 27 Sep 2018 178th vhoulbreque 🇫🇷 388 510 16ms 30 May 2025 179th jhpaques 🇫🇷 387 511 14ms 28 Jul 2022 180th brochmann 🇸🇪 385 514 20ms 13 Aug 2023 181st aksyristos 384 515 18ms 11 Jun 2023 182nd ionutm82 384 516 13ms 23 May 2019 183rd Mikey-Beep 🇬🇧 383 517 19ms 25 Aug 2023 184th rschwa6308 🇺🇸 382 518 13ms 8 Nov 2021 184th roguh 🇬🇹 382 518 14ms 13 Oct 2024 184th Stockoh 🇫🇷 382 518 13ms 17 Nov 2024 187th hoodadam 382 519 20ms 18 Sep 2019 187th michelebastione 🇮🇹 382 519 12ms 14 Jul 2021 187th Bodo171 382 519 13ms 6 Dec 2022 190th britishben 381 520 20ms 2 Dec 2018 191st RandGuy 380 521 19ms 28 Jun 2022 192nd TJK-S 379 522 12ms 13 Oct 2025 193rd qwjhvbxi 379 523 13ms 5 Mar 2024 194th mrmena 🇦🇺 378 524 15ms 20 Mar 2024 195th evanrittner 377 525 13ms 11 Mar 2019 196th vodker1 375 528 20ms 9 Mar 2022 197th jgbaldwinbrown 371 533 19ms 6 Jul 2021 198th Heathcorp 🇦🇺 371 534 19ms 29 Mar 2022 199th adoxography 370 535 20ms 21 May 2018 200th dyc3 369 536 20ms 26 Jul 2020 201st OliverWales 368 538 13ms 3 Dec 2020 202nd edre 365 542 17ms 2 Jun 2018 203rd stordev 357 555 13ms 26 Feb 2021 204th ridingqwerty 🇺🇸 353 561 23ms 13 Dec 2023 205th Tiger-Cross 351 564 13ms 29 May 2020 206th bwenstar 350 566 15ms 12 Aug 2022 207th karhuthebear 349 567 13ms 9 May 2022 208th HumanoidCPU 348 569 25ms 22 Aug 2024 209th sciencejiho 345 574 13ms 4 May 2024 210th ThatAlo 343 577 14ms 14 Jun 2023 211th RyanCarrusca 343 578 13ms 21 Feb 2019 212th egasyelir 337 587 13ms 11 Jul 2024 213th zuparnowa 336 589 20ms 12 Feb 2019 213th henrytranter 336 589 21ms 20 Sep 2019 213th brimstonetrader 336 589 21ms 13 Mar 2024 213th FortuiteMan 🇫🇷 336 589 12ms 12 Jul 2025 217th eddvrs 332 597 23ms 20 Aug 2022 218th peculiarination 330 600 23ms 7 Jul 2021 219th sli-Lut 326 608 14ms 20 Oct 2023 220th hymanimy 319 621 22ms 24 Aug 2021 220th Cynopolis 319 621 14ms 20 Oct 2023 222nd Starwort 🇬🇧 318 623 13ms 30 Mar 2019 223rd Mojken 316 627 20ms 2 Sep 2018 224th ComputerKWasTaken 🇺🇸 313 632 13ms 2 Jun 2024 224th cthierfelder 🇲🇨 313 632 13ms 6 Sep 2025 First Prev 151–225 of 244 Next Last