The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Poker 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 81st AstroOrbis 592 446 10ms 15 Feb 2026 82nd alangodfrey 585 451 11ms 31 Jan 2019 82nd CedricGebistorf 585 451 11ms 4 May 2023 84th roguh 🇬🇹 583 453 13ms 11 Jan 2024 84th luuumine 🇫🇷 583 453 21ms 24 Nov 2025 86th thomasklunker 581 454 18ms 3 Feb 2023 87th jfallon1997 578 457 11ms 17 Aug 2022 87th keegan-t 🇨🇦 578 457 19ms 16 Sep 2023 89th sambirnbaum1 576 458 14ms 6 Sep 2019 89th croc54 576 458 21ms 4 Feb 2025 89th Emutis 🇱🇹 576 458 12ms 6 Sep 2025 92nd jeff-at-tamer-dot-codes 🇺🇸 570 463 19ms 5 Feb 2024 93rd rsgray 568 465 16ms 10 Feb 2024 94th cros107 🇦🇺 564 468 21ms 8 Feb 2025 95th jtaxen 555 476 21ms 23 May 2024 96th StefanHabel 🇨🇦 545 484 18ms 25 days ago 97th xkacer 🇨🇿 541 488 19ms 31 Jan 2021 97th mbittner20 541 488 12ms 27 May 2023 99th FlorianCassayre 🇫🇷 535 493 22ms 25 Oct 2023 100th amollberg 🇸🇪 530 498 22ms 16 Jan 2022 101st msbranicky 529 499 19ms 15 Jul 2023 102nd msrawson 527 501 12ms 31 Aug 2018 103rd rollershutter 523 505 18ms 20 Mar 2025 104th tomh1012 517 511 18ms 22 days ago 105th twocatsinatrenchcoat 515 513 12ms 16 Apr 2022 106th edre 514 514 19ms 29 Jul 2018 107th vonKrafft 498 530 12ms 26 Mar 2020 108th mathisfun271 496 532 19ms 17 Feb 2024 109th janga1 493 535 17ms 20 Aug 2021 110th hyvyys 491 538 38ms 15 Jul 2019 111th nfl-odoo 479 551 18ms 7 Jun 2019 112th Pena86 470 562 12ms 19 Mar 2021 113th alemelis 466 567 19ms 29 Aug 2024 114th evan18c 465 568 14ms 15 Sep 2023 115th fajost 462 571 13ms 10 Sep 2020 116th RaBa21 🇭🇺 458 577 21ms 1 Aug 2025 117th MaxElf999 456 579 12ms 29 May 2022 118th PyryL 🇫🇮 454 582 11ms 22 Aug 2024 119th SniperSmiley 🇺🇸 450 587 13ms 8 Jul 2022 119th yuchuehw 450 587 25ms 6 Jan 2024 121st TheZwierzLF 🇵🇱 448 589 12ms 13 Dec 2025 122nd robin-scragg 437 604 18ms 26 Aug 2025 123rd ridingqwerty 🇺🇸 435 607 19ms 13 Dec 2023 124th Babafaba 419 630 19ms 24 Nov 2025 125th wh3n3v3r 🇨🇿 417 633 14ms 13 Nov 2024 126th KatieLG 🇬🇧 414 638 19ms 2 Oct 2025 127th inverseLorentz 🇦🇺 407 649 11ms 22 Nov 2023 128th bbakersmith 400 660 20ms 28 Jun 2022 129th eiburns 381 693 20ms 18 Aug 2023 130th JOrE20 373 707 13ms 2 Dec 2025 131st martinnorling 🇸🇪 359 736 11ms 11 Mar 2022 132nd Yewzir 🇧🇪 347 760 17ms 5 Jun 2024 133rd michelebastione 🇮🇹 330 800 19ms 6 Aug 2025 134th Sturla22 318 831 19ms 29 Apr 2022 135th leon-w 272 971 24ms 4 Jan 2019 136th HumanoidCPU 249 1,060 12ms 6 Jun 2025 137th Trunksistor 🇫🇷 221 1,197 16ms 17 May 2022 138th Zhenyu-Bo 190 1,387 13ms 1 Aug 2025 139th lovepeacejoy404 189 1,397 11ms 7 Feb 2019 140th AidanWalter 171 1,544 13ms 28 Nov 2025 141st KatieLG-Transpiler 🇬🇧 160 1,649 16ms 2 Jul 2022 142nd mokymok 🇺🇸 121 2,179 20ms 29 Nov 2021 143rd zt14427 113 2,340 12ms 27 Dec 2024 First Prev 81–143 of 143
