The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 days. Why not try and solve them ahead of time?
Partition Numbers 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 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 880th HumanoidCPU 100 658 9ms 6 Jan 2025 880th dokutan 100 658 9ms 12 Mar 2025 880th CaedenHarper 🇨🇦 100 658 9ms 16 Aug 2025 884th retrohun 99 444 2ms 28 Feb 2025 885th HumanoidCPU 99 648 3ms 6 Jan 2025 885th MeWhenI 🇻🇦 99 648 3ms 28 Feb 2025 885th dokutan 99 648 3ms 3 Mar 2025 885th CaedenHarper 🇨🇦 99 648 3ms 16 Aug 2025 885th KatieLG-Transpiler 🇬🇧 99 648 3ms 9 Jan 2026 890th Shanethegamer 🇺🇸 99 661 69ms 26 Nov 2024 890th HumanoidCPU 99 661 75ms 6 Jan 2025 890th CaedenHarper 🇨🇦 99 661 72ms 16 Aug 2025 893rd dokutan 99 748 38ms 3 Mar 2025 894th MeWhenI 🇻🇦 99 749 39ms 1 Mar 2025 894th KatieLG 🇬🇧 99 749 36ms 6 Mar 2025 894th CaedenHarper 🇨🇦 99 749 36ms 16 Aug 2025 897th KatieLG-Transpiler 🇬🇧 99 750 38ms 9 Jan 2026 898th KatieLG 🇬🇧 99 2,788 2ms 6 Mar 2025 898th KatieLG-Transpiler 🇬🇧 99 2,788 1ms 9 Jan 2026 900th Shanethegamer 🇺🇸 98 663 1ms 26 Nov 2024 900th HumanoidCPU 98 663 2ms 6 Jan 2025 900th CaedenHarper 🇨🇦 98 663 2ms 16 Aug 2025 900th Maashau 98 663 2ms 12 Dec 2025 900th retrohun 98 663 2ms 5 days ago 905th KatieLG-Transpiler 🇬🇧 98 803 152ms 9 Jan 2026 906th HumanoidCPU 97 655 140ms 6 Jan 2025 906th dokutan 97 655 137ms 27 Feb 2025 906th CaedenHarper 🇨🇦 97 655 133ms 16 Aug 2025 909th KatieLG 🇬🇧 97 659 155ms 30 Nov 2025 910th KatieLG-Transpiler 🇬🇧 97 712 105ms 9 Jan 2026 911th Shanethegamer 🇺🇸 96 652 3ms 13 Dec 2024 911th HumanoidCPU 96 652 3ms 7 Jan 2025 911th MeWhenI 🇻🇦 96 652 3ms 28 Feb 2025 911th dokutan 96 652 3ms 3 Mar 2025 911th KatieLG 🇬🇧 96 652 3ms 6 Mar 2025 911th CaedenHarper 🇨🇦 96 652 3ms 16 Aug 2025 911th JOrE20 96 652 4ms 2 Jan 2026 918th HumanoidCPU 96 656 125ms 6 Jan 2025 918th MeWhenI 🇻🇦 96 656 129ms 1 Mar 2025 918th KatieLG 🇬🇧 96 656 136ms 6 Mar 2025 918th CaedenHarper 🇨🇦 96 656 125ms 16 Aug 2025 918th prestosilver 🇺🇸 96 656 130ms 12 days ago 923rd Shanethegamer 🇺🇸 95 651 66ms 26 Nov 2024 924th HumanoidCPU 95 653 69ms 27 Jan 2025 925th MeWhenI 🇻🇦 95 654 66ms 1 Mar 2025 925th KatieLG 🇬🇧 95 654 61ms 6 Mar 2025 925th CaedenHarper 🇨🇦 95 654 64ms 16 Aug 2025 925th KatieLG-Transpiler 🇬🇧 95 654 62ms 9 Jan 2026 929th dokutan 92 643 1ms 21 Jun 2025 930th KatieLG 🇬🇧 92 712 826ms 30 Nov 2025 931st KatieLG 🇬🇧 92 754 2ms 6 Mar 2025 931st KatieLG-Transpiler 🇬🇧 92 754 1ms 9 Jan 2026 933rd HumanoidCPU 91 754 4ms 7 Jan 2025 934th MeWhenI 🇻🇦 90 668 112ms 1 Mar 2025 935th HumanoidCPU 90 856 7ms 16 Aug 2025 935th CaedenHarper 🇨🇦 90 856 7ms 22 Feb 2026 937th dokutan 90 858 7ms 21 Feb 2026 938th HumanoidCPU 88 846 43ms 9 Mar 2025 939th KatieLG 🇬🇧 87 683 42ms 6 Mar 2025 940th KatieLG-Transpiler 🇬🇧 87 729 366ms 9 Jan 2026 941st KatieLG 🇬🇧 87 760 9ms 6 Mar 2025 941st KatieLG-Transpiler 🇬🇧 87 760 10ms 9 Jan 2026 943rd KatieLG 🇬🇧 86 687 1ms 30 Nov 2025 944th KatieLG 🇬🇧 85 650 135ms 30 Nov 2025 945th KatieLG-Transpiler 🇬🇧 85 754 134ms 9 Jan 2026 946th KatieLG-Transpiler 🇬🇧 85 772 686ms 9 Jan 2026 947th KatieLG 🇬🇧 85 901 6ms 21 Feb 2026 948th dokutan 84 719 117ms 3 Mar 2025 949th KatieLG-Transpiler 🇬🇧 84 767 2ms 9 Jan 2026 950th KatieLG 🇬🇧 84 769 1ms 6 Mar 2025 951st HumanoidCPU 83 603 10ms 1 Mar 2025 952nd Shanethegamer 🇺🇸 83 660 130ms 26 Nov 2024 952nd HumanoidCPU 83 660 135ms 6 Jan 2025 952nd CaedenHarper 🇨🇦 83 660 127ms 16 Aug 2025 955th KatieLG-Transpiler 🇬🇧 83 664 131ms 9 Jan 2026 956th smclaughlin-cf 82 614 11ms 4 Mar 2025 957th HumanoidCPU 82 660 46ms 7 Jan 2025 958th MeWhenI 🇻🇦 82 661 49ms 1 Mar 2025 959th dokutan 82 890 5ms 21 Jun 2025 960th AndyG-0112 82 1,039 397ms 25 Mar 2025 First Prev 881–960 of 1,202 Next Last
