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    duckyluuk (he/him) 🇳🇱

    108,948
    110,544
    💎44
    🥇156
    🥈37
    🥉57

    🪨⭐

    124 / 124 Holes

    🔣

    43 / 62 Langs

    🏆

    68 / 100 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    4th 18th 1st 5th
    24 Game
    4th 12th 2nd
    99 Bottles of Beer
    6th 13th 6th
    Abundant Numbers
    18th 55th 1st
    Abundant Numbers (Long)
    14th 16th 1st
    Arabic to Roman
    10th 43rd 7th 22nd 4th
    Arithmetic Numbers
    14th 11th 2nd
    Arrows
    11th 16th 3rd
    Ascending Primes
    10th 24th 💎
    ASCII Table
    11th 16th 💎
    Billiards
    5th 7th
    brainfuck
    8th 7th 18th 4th
    Calendar
    23rd
    Card Number Validation
    5th 1st 12th 3rd
    Catalan Numbers
    4th 1st 💎
    Catalan’s Constant
    11th 1st 33rd
    Christmas Trees
    10th 22nd 14th 5th
    Collatz
    14th 72nd 8th 36th 5th
    CSS Colors
    24th 1st 30th 3rd
    Cubes
    8th 20th
    Day of Week
    16th 1st 1st1st 3rd
    DFA Simulator
    3rd 21st 3rd 6th 💎
    Diamonds
    9th 17th 💎
    Divisors
    25th 169th 1st 1st 5th
    Emirp Numbers
    18th 10th 15th 4th
    Emirp Numbers (Long)
    8th 22nd
    Emojify
    11th 18th 2nd
    Evil Numbers
    8th 63rd 12th 1st 3rd 14th
    Evil Numbers (Long)
    20th 42nd 11th 38th 3rd
    Factorial Factorisation
    6th 16th 22nd 11th 5th
    Farey Sequence
    12th 19th 5th 20th 1st
    Fibonacci
    13th9th18th8th43rd18th18th 23rd48th48th 29th 21st 30th 24th1st 6th1st 32nd13th51st1st 24th7th7th 35th44th
    Fizz Buzz
    14th 27th1st 9th 1st 21st 3rd3rd
    Foo Fizz Buzz Bar
    17th 33rd 19th 5th
    Forsyth–Edwards Notation
    12th 5th 13th 3rd
    Fractions
    12th 1st 1st 2nd1st
    Game of Life
    8th 18th 16th 5th 10th 2nd
    Gijswijt’s Sequence
    8th 4th 11th 2nd
    Happy Numbers
    18th 8th 38th 5th
    Happy Numbers (Long)
    10th 21st 4th
    Hexdump
    15th 38th 3rd
    Hilbert Curve
    13th
    Intersection
    13th 34th 19th
    Inventory Sequence
    13th 10th 24th 3rd
    ISBN
    11th 29th 10th 3rd
    Jacobi Symbol
    12th 26th
    Kaprekar Numbers
    19th 58th 💎
    Kolakoski Constant
    9th 5th 23rd 3rd
    Kolakoski Sequence
    11th 40th 6th 13th 4th
    Leap Years
    31st 182nd 117th 4th
    Levenshtein Distance
    8th 20th
    Leyland Numbers
    16th 1st 4th
    ln 2
    21st 1st 5th
    Look and Say
    16th 15th 2nd11th 30th 2nd
    Lucky Numbers
    10th 13th 3rd
    Lucky Tickets
    10th 12th 22nd 2nd
    Mahjong
    12th 11th
    Mandelbrot
    9th 7th 💎
    Maze
    11th 21st
    Medal Tally
    3rd 28th 5th 1st 3rd
    Minesweeper
    10th 5th 💎
    Morse Decoder
    6th 9th
    Morse Encoder
    7th 9th
    Musical Chords
    10th 17th
    N Queens
    5th 17th 9th 💎
    Niven Numbers
    29th 1st 39th 7th
    Niven Numbers (Long)
    18th 17th 40th 4th
    Number Spiral
    5th 5th 3rd
    Odious Numbers
    9th 53rd 13th 1st 3rd
    Odious Numbers (Long)
    9th 37th 11th 1st 3rd
    Ordinal Numbers
    15th 3rd 💎
    PalindromemordnilaP
    4th 20th 5th 12th 4th
    Pangram Grep
    7th 28th 12th38th19th 8th 40th17th 37th 4th 14th16th
    Partition Numbers
    15th 14th 30th 💎
    Pascal’s Triangle
    17th 41st 41st 44th 6th
    Pernicious Numbers
    20th 1st 3rd
    Pernicious Numbers (Long)
    17th 1st 3rd
    Poker
    4th 8th
    Polyominoes
    7th 10th 💎
    Prime Numbers
    34th 82nd 87th 20th 54th 1st
    Prime Numbers (Long)
    25th 67th 42nd 19th 1st 5th
    Proximity Grid
    7th 12th 💎
    QR Decoder
    7th 14th
    Quine
    1st 1st 24th 33rd1st 185th 28th1st 1st 1st
    Recamán
    13th 35th 22nd 4th
    Repeating Decimals
    18th 34th 2nd
    Reverse Polish Notation
    15th 52nd 32nd 2nd
    Reversi
    8th 12th
    Rijndael S-box
    11th 20th 3rd
    Rock-paper-scissors-Spock-lizard
    8th 14th 💎
    Roman to Arabic
    11th 27th 1st 1st
    ROT13
    20th 1st 4th
    Rule 110
    22nd 56th 3rd
    Scrambled Sort
    17th 5th 💎
    Set
    15th 7th 2nd
    Seven Segment
    15th 29th 2nd
    SI Units
    10th 20th
    Sierpiński Triangle
    13th 18th 39th 💎
    Smith Numbers
    10th 18th 2nd
    Spelling Numbers
    20th80th 21st 💎
    Star Wars GPT
    15th 44th 2nd
    Star Wars Opening Crawl
    12th 11th
    Sudoku
    9th 17th
    Sudoku (Fill-in)
    8th 13th
    Ten-pin Bowling
    14th 19th
    Tic-tac-toe
    16th 23rd 9th 💎
    Time Distance
    11th 11th 2nd
    Tongue-twisters
    10th 20th 💎
    Topological Sort
    13th 9th 26th
    Tower of Hanoi
    31st 17th 3rd
    Transpose Sentence
    12th 3rd 11th 4th
    Trinomial Triangle
    18th 2nd
    United States
    12th 21st 23rd 💎
    Vampire Numbers
    5th 5th 💎
    Van Eck Sequence
    7th 24th 1st 2nd
    Zeckendorf Representation
    3rd 18th 1st 5th
    Zodiac Signs
    12th 18th 💎
    γ
    12th 1st5th 25th 4th
    λ
    11th 16th 6th 22nd 4th 9th
    π
    9th 7th14th 1st5th 12th 4th
    τ
    8th 6th13th 61st4th 9th 4th
    φ
    17th 11th 44th 33rd 5th
    √2
    20th 22nd 15th 1st 5th
    𝑒
    19th 1st6th 1st37th 5th