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    duckyluuk (he/him) 🇳🇱

    119,528
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    119,829
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    🥉59

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    ⛳

    135 / 135 Holes

    🔣

    45 / 65 Langs

    🏆

    80 / 116 Cheevos

    📅

    2 Holes Authored

    3 Referrals

    12 Days of Christmas
    3rd 18th 3rd 💎
    24 Game
    7th 17th 2nd
    99 Bottles of Beer
    6th 15th 💎
    Abundant Numbers
    20th 65th 1st
    Abundant Numbers (Long)
    16th 20th 1st
    Alphabetic Numbers
    7th 7th 3rd 💎
    Arabic to Roman
    11th 45th 8th 24th 3rd
    Arithmetic Numbers
    15th 12th 💎
    Arrows
    13th 12th 2nd
    Ascending Primes
    12th 34th 2nd
    ASCII Table
    2nd 12th 21st 💎
    Billiards
    6th 11th 4th
    brainfuck
    9th 8th 18th 4th
    Calendar
    17th 43rd 2nd
    Card Number Validation
    6th 1st 15th 3rd
    Catalan Numbers
    4th 1st 💎
    Catalan’s Constant
    15th 1st 42nd 💎
    Chess Move Validation
    11th 29th 1st
    Christmas Trees
    12th 11th 23rd 19th 7th
    Collatz
    16th 88th 11th 39th 7th
    Connect Four
    2nd 3rd 💎
    Continued Fractions
    17th 38th 💎
    CSS Colors
    9th 1st 31st 3rd
    Cubes
    10th 21st 3rd
    Day of Week
    17th 1st 1st1st 3rd
    DFA Simulator
    5th 28th 3rd 6th 💎
    Diamonds
    6th 10th 22nd 💎
    Divisors
    26th 173rd 1st 3rd 1st
    Emirp Numbers
    18th 12th 17th 5th
    Emirp Numbers (Long)
    10th 25th 3rd
    Emojify
    11th 18th 2nd
    Evil Numbers
    8th 68th 16th 1st 4th 16th
    Evil Numbers (Long)
    22nd 48th 13th 47th 4th
    Factorial Factorisation
    6th 19th 23rd 12th 5th
    Farey Sequence
    12th 19th 5th 22nd 2nd
    Fibonacci
    13th10th22nd9th48th20th18th 25th56th54th 35th 23rd 33rd 38th1st 7th1st 33rd14th59th1st 32nd7th10th170th 39th46th
    Fizz Buzz
    2nd 14th 33rd1st 11th 1st 22nd 1st4th
    Foo Fizz Buzz Bar
    19th 42nd 21st 1st
    Forsyth–Edwards Notation
    13th 5th 14th 3rd
    Fractions
    15th 1st 1st 2nd1st
    Game of Life
    9th 22nd 17th 6th 13th 2nd
    Gijswijt’s Sequence
    2nd 10th 8th 5th 15th 2nd
    Gray Code Decoder
    17th 51st 4th
    Gray Code Encoder
    19th 41st 1st
    Happy Numbers
    19th 9th 42nd 6th
    Happy Numbers (Long)
    10th 23rd 3rd
    Hexdump
    16th 42nd 3rd
    Hilbert Curve
    💎 2nd 💎
    Intersection
    14th 36th 19th 4th
    Inventory Sequence
    13th 11th 30th 3rd
    ISBN
    12th 31st 12th 2nd
    Jacobi Symbol
    14th 36th 💎
    Kaprekar Numbers
    22nd 42nd 78th 💎
    Kolakoski Constant
    10th 5th 27th 💎
    Kolakoski Sequence
    10th 11th 44th 6th 19th 2nd
    Leap Years
    26th 210th 105th 5th
    Levenshtein Distance
    10th 19th 2nd
    Leyland Numbers
    18th 1st 1st
    ln 2
    22nd 1st 2nd
    Look and Say
    3rd 16th 15th 3rd12th 35th 2nd
    Lucky Numbers
    12th 19th 3rd
    Lucky Tickets
    11th 13th 25th 4th
    Mahjong
    13th 15th
    Mandelbrot
    10th 8th 💎
    Maze
    14th 25th 💎
    Medal Tally
    4th 15th 5th 1st 3rd
    Minesweeper
    12th 6th 💎
    Morse Decoder
    6th 9th 3rd
    Morse Encoder
    7th 11th 1st
    Multitap Input
    16th 15th 13th 2nd
    Musical Chords
    14th 25th 2nd
    N Queens
    6th 20th 11th 1st
    Nim
    11th 8th 4th 💎
    Niven Numbers
    33rd 1st 54th 4th
    Niven Numbers (Long)
    20th 18th 52nd 4th
    Number Spiral
    6th 7th 3rd
    Odious Numbers
    9th 59th 16th 1st 4th
    Odious Numbers (Long)
    9th 45th 12th 1st 4th
    Ordinal Numbers
    11th 5th 💎
    PalindromemordnilaP
    6th 25th 5th 17th 4th
    Pangram Grep
    9th 31st 13th42nd19th 8th 45th19th 40th 4th 17th12th
    Partition Numbers
    18th 19th 39th 💎
    Pascal’s Triangle
    20th 45th 49th 49th 6th
    Pernicious Numbers
    21st 1st 4th
    Pernicious Numbers (Long)
    17th 1st 4th
    Poker
    6th 8th
    Polyominoes
    7th 14th 💎
    Prime Numbers
    38th 90th 96th 25th 70th 1st
    Prime Numbers (Long)
    27th 73rd 51st 25th 1st 1st
    Proximity Grid
    8th 15th 💎
    QR Decoder
    8th 16th
    Quine
    1st 1st 26th 40th1st 195th 31st1st 1st 1st
    Recamán
    13th 37th 23rd 4th
    Repeating Decimals
    20th 39th 2nd
    Reverse Polish Notation
    15th 61st 32nd 3rd
    Reversi
    10th 15th 💎
    Rijndael S-box
    11th 25th 💎
    Rock-paper-scissors-Spock-lizard
    10th 18th 💎
    Roman to Arabic
    12th 28th 1st 1st
    ROT13
    2nd 21st 21st 1st 4th
    Rule 110
    23rd 72nd 3rd
    Scrambled Sort
    19th 8th 2nd
    Set
    18th 8th 3rd
    Seven Segment
    15th 33rd 1st
    SI Units
    10th 24th
    Sierpiński Triangle
    4th 13th 20th 46th 💎
    Smith Numbers
    12th 20th 3rd
    Snake
    2nd 3rd 💎
    Spelling Numbers
    10th95th 22nd 💎
    Star Wars GPT
    18th 57th 2nd
    Star Wars Opening Crawl
    13th 12th 2nd
    Sudoku
    12th 21st 💎
    Sudoku (Fill-in)
    10th 14th 💎
    Taxicab Numbers
    14th 14th 1st
    Ten-pin Bowling
    15th 23rd
    Tic-tac-toe
    17th 29th 12th 💎
    Time Distance
    12th 12th 💎
    Tongue-twisters
    11th 20th 1st
    Topological Sort
    10th 13th 24th 💎
    Tower of Hanoi
    13th 40th 27th 3rd
    Transpose Sentence
    3rd 12th 9th 13th 💎
    Trinomial Triangle
    23rd 29th 2nd
    Ulam Sequence
    9th 15th 2nd
    United States
    13th 24th 27th 💎
    Vampire Numbers
    7th 5th 💎
    Van Eck Sequence
    8th 27th 1st 1st
    Zeckendorf Representation
    3rd 22nd 1st 💎
    Zodiac Signs
    12th 22nd 💎
    γ
    15th 1st5th 35th 4th
    λ
    15th 17th 6th 31st 4th 9th
    π
    15th 11th 11th19th 1st5th 16th 💎
    τ
    10th 11th18th 68th4th 11th 💎
    φ
    19th 16th 49th 10th 38th 2nd
    √2
    21st 29th 17th8th 1st 💎
    𝑒
    20th 1st6th 1st45th 💎