💎 Oldest diamonds (uncontested gold medals) in Card Number Validation in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns 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 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 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 All Bytes Chars Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns Scoring All 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 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 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 # Golfer Hole Submitted 1st canissimia 🇦🇶 Card Number Validation 1 Oct 2024 2nd MostParsingVex Card Number Validation 1 Oct 2024 3rd MeWhenI 🇻🇦 Card Number Validation 2 Oct 2024 4th JayXon 🇺🇸 Card Number Validation 2 Oct 2024 5th IanUtley Card Number Validation 2 Oct 2024 6th saito-ta 🇯🇵 Card Number Validation 2 Oct 2024 7th AdrienHache 🇫🇷 Card Number Validation 2 Oct 2024 8th sean-niemann 🇺🇸 Card Number Validation 2 Oct 2024 9th ovs-code 🇩🇪 Card Number Validation 2 Oct 2024 10th ovs-code 🇩🇪 Card Number Validation 2 Oct 2024 11th ovs-code 🇩🇪 Card Number Validation 2 Oct 2024 12th JayXon 🇺🇸 Card Number Validation 3 Oct 2024 13th JayXon 🇺🇸 Card Number Validation 3 Oct 2024 14th GrayJoKing 🇦🇺 Card Number Validation 3 Oct 2024 15th canissimia 🇦🇶 Card Number Validation 4 Oct 2024 16th JayXon 🇺🇸 Card Number Validation 4 Oct 2024 17th UnderKoen 🇳🇱 Card Number Validation 4 Oct 2024 18th JayXon 🇺🇸 Card Number Validation 5 Oct 2024 19th JayXon 🇺🇸 Card Number Validation 5 Oct 2024 20th JayXon 🇺🇸 Card Number Validation 6 Oct 2024 21st m-tkach 🇺🇦 Card Number Validation 8 Oct 2024 22nd JayXon 🇺🇸 Card Number Validation 11 Oct 2024 23rd JayXon 🇺🇸 Card Number Validation 13 Oct 2024 24th JayXon 🇺🇸 Card Number Validation 14 Oct 2024 25th JayXon 🇺🇸 Card Number Validation 17 Oct 2024 26th emplv 🇱🇻 Card Number Validation 24 Oct 2024 27th lifthrasiir 🇰🇷 Card Number Validation 19 Dec 2024 28th edsrzf 🇳🇿 Card Number Validation 27 Feb 2025 29th ovs-code 🇩🇪 Card Number Validation 1 Mar 2025 30th ovs-code 🇩🇪 Card Number Validation 19 Apr 2025 31st primo-ppcg 🇹🇭 Card Number Validation 27 Apr 2025 32nd JayXon 🇺🇸 Card Number Validation 24 May 2025 33rd JayXon 🇺🇸 Card Number Validation 31 May 2025 34th khvdm Card Number Validation 7 Jun 2025 35th JayXon 🇺🇸 Card Number Validation 23 Jul 2025 36th edsrzf 🇳🇿 Card Number Validation 24 Jul 2025 37th primo-ppcg 🇹🇭 Card Number Validation 13 Aug 2025 38th mousetail 🇳🇱 Card Number Validation 25 Sep 2025 39th JayXon 🇺🇸 Card Number Validation 25 Sep 2025 40th GrayJoKing 🇦🇺 Card Number Validation 25 Nov 2025 41st edsrzf 🇳🇿 Card Number Validation 18 Dec 2025 42nd edsrzf 🇳🇿 Card Number Validation 19 Dec 2025 43rd edsrzf 🇳🇿 Card Number Validation 11 days ago 44th canissimia 🇦🇶 Card Number Validation 10 days ago 45th error256 Card Number Validation 8 days ago 46th edsrzf 🇳🇿 Card Number Validation 8 days ago 1–46 of 46
