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    duckyluuk (he/him) 🇳🇱

    114,400
    115,117
    💎70
    🥇191
    🥈45
    🥉64

    🪨⭐

    130 / 131 Holes

    🔣

    43 / 65 Langs

    🏆

    78 / 114 Cheevos

    📅

    2 Holes Authored

    3 Referrals

    12 Days of Christmas
    3rd 17th 3rd 💎
    24 Game
    7th 15th 2nd
    99 Bottles of Beer
    6th 15th 6th
    Abundant Numbers
    20th 61st 1st
    Abundant Numbers (Long)
    16th 19th 1st
    Alphabetic Numbers
    5th 7th 3rd 💎
    Arabic to Roman
    11th 43rd 8th 24th 4th
    Arithmetic Numbers
    15th 11th 💎
    Arrows
    12th 20th 3rd
    Ascending Primes
    11th 30th 2nd
    ASCII Table
    2nd 12th 19th 💎
    Billiards
    6th 10th
    brainfuck
    9th 8th 18th 4th
    Calendar
    17th 41st
    Card Number Validation
    6th 1st 15th 3rd
    Catalan Numbers
    4th 1st 💎
    Catalan’s Constant
    14th 1st 37th 💎
    Christmas Trees
    12th 11th 23rd 18th 6th
    Collatz
    15th 78th 10th 36th 7th
    Continued Fractions
    15th 35th 3rd
    CSS Colors
    9th 1st 31st 3rd
    Cubes
    10th 21st
    Day of Week
    16th 1st 1st1st 3rd
    DFA Simulator
    4th 22nd 3rd 6th 💎
    Diamonds
    6th 10th 19th 💎
    Divisors
    25th 172nd 1st 2nd 1st
    Emirp Numbers
    18th 11th 17th 5th
    Emirp Numbers (Long)
    10th 25th 3rd
    Emojify
    11th 18th 2nd
    Evil Numbers
    8th 65th 16th 1st 4th 16th
    Evil Numbers (Long)
    21st 46th 13th 43rd 4th
    Factorial Factorisation
    6th 19th 23rd 11th 5th
    Farey Sequence
    12th 19th 5th 20th 2nd
    Fibonacci
    13th9th20th9th44th20th18th 24th52nd51st 33rd 23rd 30th 31st1st 7th1st 32nd13th57th1st 29th7th9th 36th46th
    Fizz Buzz
    2nd 14th 31st1st 10th 1st 22nd 4th4th
    Foo Fizz Buzz Bar
    18th 35th 21st 6th
    Forsyth–Edwards Notation
    13th 5th 14th 3rd
    Fractions
    14th 1st 1st 2nd1st
    Game of Life
    9th 20th 17th 5th 12th 2nd
    Gijswijt’s Sequence
    2nd 10th 5th 14th 2nd
    Gray Code Decoder
    17th 49th 4th
    Gray Code Encoder
    17th 35th 💎
    Happy Numbers
    19th 9th 40th 7th
    Happy Numbers (Long)
    10th 22nd 3rd
    Hexdump
    15th 41st 3rd
    Hilbert Curve
    💎 💎 💎
    Intersection
    14th 35th 19th
    Inventory Sequence
    13th 11th 26th 3rd
    ISBN
    12th 30th 12th 3rd
    Jacobi Symbol
    14th 32nd
    Kaprekar Numbers
    22nd 38th 73rd 💎
    Kolakoski Constant
    10th 5th 25th 💎
    Kolakoski Sequence
    10th 11th 41st 6th 15th 2nd
    Leap Years
    31st 193rd 126th 5th
    Levenshtein Distance
    10th 18th 3rd
    Leyland Numbers
    18th 1st 4th
    ln 2
    22nd 1st 2nd
    Look and Say
    3rd 16th 15th 3rd12th 35th 2nd
    Lucky Numbers
    12th 19th 3rd
    Lucky Tickets
    11th 12th 24th 3rd
    Mahjong
    13th 13th
    Mandelbrot
    10th 7th 💎
    Maze
    14th 26th
    Medal Tally
    4th 14th 5th 1st 3rd
    Minesweeper
    12th 6th 💎
    Morse Decoder
    6th 9th 3rd
    Morse Encoder
    7th 10th 1st
    Multitap Input
    15th 14th 13th 💎
    Musical Chords
    12th 21st
    N Queens
    6th 20th 11th 2nd
    Niven Numbers
    33rd 1st 53rd 4th
    Niven Numbers (Long)
    20th 17th 50th 4th
    Number Spiral
    6th 5th 3rd
    Odious Numbers
    9th 56th 16th 1st 4th
    Odious Numbers (Long)
    9th 41st 12th 1st 4th
    Ordinal Numbers
    11th 5th 💎
    PalindromemordnilaP
    6th 23rd 5th 15th 4th
    Pangram Grep
    7th 29th 13th41st19th 8th 43rd19th 39th 4th 16th12th
    Partition Numbers
    18th 18th 34th 💎
    Pascal’s Triangle
    20th 42nd 49th 48th 7th
    Pernicious Numbers
    20th 1st 4th
    Pernicious Numbers (Long)
    17th 1st 4th
    Poker
    6th 8th
    Polyominoes
    7th 13th 💎
    Prime Numbers
    35th 88th 93rd 22nd 62nd 1st
    Prime Numbers (Long)
    26th 72nd 47th 22nd 1st 1st
    Proximity Grid
    8th 14th 💎
    QR Decoder
    8th 16th
    Quine
    1st 1st 25th 38th1st 185th 30th1st 1st 1st
    Recamán
    13th 35th 23rd 4th
    Repeating Decimals
    19th 36th 2nd
    Reverse Polish Notation
    15th 58th 32nd 3rd
    Reversi
    9th 15th 💎
    Rijndael S-box
    11th 20th 3rd
    Rock-paper-scissors-Spock-lizard
    10th 18th 💎
    Roman to Arabic
    12th 27th 1st 1st
    ROT13
    2nd 21st 1st 4th
    Rule 110
    23rd 63rd 3rd
    Scrambled Sort
    19th 8th 💎
    Set
    16th 8th 3rd
    Seven Segment
    15th 31st 2nd
    SI Units
    10th 22nd
    Sierpiński Triangle
    4th 13th 18th 43rd 💎
    Smith Numbers
    12th 20th 3rd
    Spelling Numbers
    10th89th 22nd 💎
    Star Wars GPT
    17th 53rd 2nd
    Star Wars Opening Crawl
    13th 12th
    Sudoku
    11th 18th
    Sudoku (Fill-in)
    10th 14th
    Taxicab Numbers
    14th 11th 1st
    Ten-pin Bowling
    15th 23rd
    Tic-tac-toe
    17th 28th 11th 💎
    Time Distance
    12th 12th 💎
    Tongue-twisters
    11th 20th 1st
    Topological Sort
    14th 11th 30th
    Tower of Hanoi
    12th 36th 21st 3rd
    Transpose Sentence
    3rd 12th 8th 13th 💎
    Trinomial Triangle
    23rd 27th 3rd
    United States
    12th 22nd 24th 💎
    Vampire Numbers
    7th 5th 💎
    Van Eck Sequence
    7th 26th 1st 2nd
    Zeckendorf Representation
    3rd 21st 1st 6th
    Zodiac Signs
    12th 20th 💎
    γ
    15th 1st5th 31st 4th
    λ
    15th 16th 6th 27th 4th 9th
    π
    15th 11th 8th16th 1st5th 15th 💎
    τ
    9th 7th16th 65th4th 9th 2nd
    φ
    18th 13th 46th 9th 36th 2nd
    √2
    21st 26th 16th7th 1st 💎
    𝑒
    20th 1st6th 1st43rd 💎