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    duckyluuk (he/him) 🇳🇱

    104,639
    106,717
    💎33
    🥇141
    🥈29
    🥉63

    🪨⭐

    120 / 120 Holes

    🔣

    37 / 61 Langs

    🏆

    65 / 84 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    4th 18th 1st 5th
    24 Game
    5th 13th 2nd
    99 Bottles of Beer
    6th 11th 6th
    Abundant Numbers
    16th 50th 1st
    Abundant Numbers (Long)
    13th 14th 1st
    Arabic to Roman
    9th 41st 6th 20th 3rd
    Arithmetic Numbers
    12th 11th
    Arrows
    9th 13th
    Ascending Primes
    11th 21st
    ASCII Table
    11th 16th 3rd
    Billiards
    5th 7th
    brainfuck
    7th 7th 15th
    Card Number Validation
    4th 1st 12th 2nd
    Catalan Numbers
    4th 1st
    Catalan’s Constant
    11th 1st 33rd
    Christmas Trees
    10th 22nd 13th 4th
    Collatz
    18th 65th 7th 33rd 5th
    CSS Colors
    23rd 1st 29th 3rd
    Cubes
    8th 19th
    Day of Week
    14th 1st 1st1st 3rd
    DFA Simulator
    3rd 21st 3rd 6th 💎
    Diamonds
    9th 17th 💎
    Divisors
    21st 163rd 1st 1st 4th
    Emirp Numbers
    16th 10th 12th 3rd
    Emirp Numbers (Long)
    7th 20th
    Emojify
    10th 17th 2nd
    Evil Numbers
    8th 61st 10th 1st 4th 13th
    Evil Numbers (Long)
    17th 41st 9th 33rd 3rd
    Factorial Factorisation
    6th 14th 20th 11th 4th
    Farey Sequence
    12th 19th 5th 18th 1st
    Fibonacci
    13th9th15th8th39th18th15th 22nd41st45th 26th19th 29th 30th1st 6th1st 32nd12th49th1st 24th7th7th 40th
    Fizz Buzz
    13th 1st1st 8th 20th 3rd
    Foo Fizz Buzz Bar
    16th 33rd 17th 4th
    Forsyth–Edwards Notation
    12th 5th 13th 2nd
    Fractions
    12th 1st 1st 2nd1st
    Game of Life
    8th 16th 20th 4th 10th 1st
    Gijswijt’s Sequence
    8th 3rd 11th 2nd
    Happy Numbers
    13th 8th 30th 4th
    Happy Numbers (Long)
    10th 17th 4th
    Hexdump
    14th 35th
    Hilbert Curve
    9th
    Intersection
    12th 32nd 17th
    Inventory Sequence
    13th 10th 22nd 3rd
    ISBN
    10th 29th 10th 3rd
    Jacobi Symbol
    11th 24th
    Kaprekar Numbers
    16th 28th 54th 💎
    Kolakoski Constant
    8th 5th 21st
    Kolakoski Sequence
    11th 40th 6th 13th 4th
    Leap Years
    28th 173rd 107th 4th
    Levenshtein Distance
    9th 19th
    Leyland Numbers
    15th 1st 4th
    ln 2
    19th 1st 5th
    Look and Say
    15th 15th 2nd11th 27th 2nd
    Lucky Numbers
    10th 12th 3rd
    Lucky Tickets
    16th 26th
    Mahjong
    10th 10th
    Mandelbrot
    7th 7th 💎
    Maze
    11th 20th
    Medal Tally
    3rd 26th 5th 1st 3rd
    Morse Decoder
    6th 9th
    Morse Encoder
    7th 9th
    Musical Chords
    8th 14th
    N Queens
    5th 16th 9th 💎
    Niven Numbers
    27th 1st 35th 6th
    Niven Numbers (Long)
    17th 16th 35th 3rd
    Number Spiral
    5th 4th 3rd
    Odious Numbers
    9th 51st 9th 1st 4th
    Odious Numbers (Long)
    9th 36th 9th 1st 3rd
    Ordinal Numbers
    15th 3rd 💎
    PalindromemordnilaP
    3rd 19th 5th 8th 3rd
    Pangram Grep
    26th 40th 31st 3rd
    Partition Numbers
    14th 14th 27th 💎
    Pascal’s Triangle
    17th 38th 37th 41st
    Pernicious Numbers
    19th 1st 3rd
    Pernicious Numbers (Long)
    15th 1st 3rd
    Poker
    3rd 8th
    Polyominoes
    7th 10th 💎
    Prime Numbers
    31st 79th 82nd 16th 49th 1st
    Prime Numbers (Long)
    24th 64th 41st 15th 1st 5th
    Proximity Grid
    7th 12th 💎
    QR Decoder
    7th 14th
    Quine
    1st 1st 25th 30th1st 183rd 24th1st 63rd 1st
    Recamán
    12th 35th 20th
    Repeating Decimals
    16th 30th
    Reverse Polish Notation
    12th 51st 28th 2nd
    Reversi
    8th 12th
    Rijndael S-box
    10th 18th 3rd
    Rock-paper-scissors-Spock-lizard
    8th 12th 💎
    Roman to Arabic
    9th 25th 1st 1st
    ROT13
    16th 1st 3rd
    Rule 110
    20th 51st 3rd
    Scrambled Sort
    13th 4th 💎
    Set
    12th 6th 2nd
    Seven Segment
    14th 28th 2nd
    SI Units
    8th 18th
    Sierpiński Triangle
    13th 18th 36th 💎
    Smith Numbers
    10th 16th
    Spelling Numbers
    18th76th 20th 💎
    Star Wars GPT
    11th 34th 2nd
    Star Wars Opening Crawl
    12th 11th
    Sudoku
    9th 16th
    Sudoku (Fill-in)
    7th 13th
    Ten-pin Bowling
    14th 18th
    Tic-tac-toe
    14th 23rd 9th 💎
    Time Distance
    11th 9th 2nd
    Tongue-twisters
    10th 18th 💎
    Topological Sort
    11th 7th 22nd
    Transpose Sentence
    8th 3rd 10th 4th
    United States
    11th 20th 23rd 💎
    Vampire Numbers
    5th 5th
    Van Eck Sequence
    7th 24th 1st 2nd
    Zeckendorf Representation
    3rd 18th 1st 5th
    Zodiac Signs
    11th 18th
    γ
    10th 1st5th 20th 3rd
    λ
    10th 15th 4th 21st 3rd 8th
    π
    8th 10th13th1st5th 9th 3rd
    τ
    7th 9th13th58th4th 7th 4th
    φ
    16th 14th 41st 31st 5th
    √2
    18th 33rd 14th 1st 5th
    𝑒
    17th 1st6th 1st32nd 5th