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    UnderKoen (he/him) 🇳🇱

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    12 Days of Christmas
    298th
    24 Game
    128th
    99 Bottles of Beer
    258th
    Abundant Numbers
    720th
    Abundant Numbers (Long)
    551st
    Arabic to Roman
    441st
    Arithmetic Numbers
    1,446th
    Arrows
    304th
    Ascending Primes
    305th
    ASCII Table
    143rd
    Billiards
    146th
    brainfuck
    221st
    Calendar
    87th
    Card Number Validation
    139th
    Catalan Numbers
    730th
    Catalan’s Constant
    124th
    Christmas Trees
    2,016th
    Collatz
    1,858th
    Continued Fractions
    108th
    CSS Colors
    495th
    Cubes
    55th
    Day of Week
    456th
    DFA Simulator
    175th
    Diamonds
    1,027th
    Divisors
    1,078th
    Emirp Numbers
    462nd
    Emirp Numbers (Long)
    405th
    Emojify
    567th
    Evil Numbers
    773rd
    Evil Numbers (Long)
    1,077th
    Factorial Factorisation
    101st
    Farey Sequence
    263rd
    Fibonacci
    2,484th
    Fizz Buzz
    1,229th
    Foo Fizz Buzz Bar
    660th
    Forsyth–Edwards Notation
    404th
    Fractions
    629th
    Game of Life
    160th
    Gijswijt’s Sequence
    143rd
    Happy Numbers
    472nd
    Happy Numbers (Long)
    718th
    Hexdump
    130th
    Hilbert Curve
    62nd
    Intersection
    205th
    Inventory Sequence
    433rd
    ISBN
    234th
    Jacobi Symbol
    288th
    Kaprekar Numbers
    141st
    Kolakoski Constant
    96th
    Kolakoski Sequence
    841st
    Leap Years
    515th
    Levenshtein Distance
    512th
    Leyland Numbers
    343rd
    ln 2
    522nd
    Look and Say
    272nd
    Lucky Numbers
    451st
    Lucky Tickets
    205th
    Mahjong
    88th
    Mandelbrot
    478th
    Maze
    133rd
    Medal Tally
    118th
    Minesweeper
    118th
    Morse Decoder
    179th
    Morse Encoder
    202nd
    Multitap Input
    271st
    Musical Chords
    101st
    N Queens
    303rd
    Niven Numbers
    1,125th
    Niven Numbers (Long)
    661st
    Number Spiral
    308th
    Odious Numbers
    544th
    Odious Numbers (Long)
    1,086th
    Ordinal Numbers
    2nd
    PalindromemordnilaP
    346th
    Pangram Grep
    170th
    Partition Numbers
    221st
    Pascal’s Triangle
    1,225th
    Pernicious Numbers
    825th
    Pernicious Numbers (Long)
    994th
    Poker
    96th
    Polyominoes
    140th
    Prime Numbers
    671st
    Prime Numbers (Long)
    2,264th
    Proximity Grid
    131st
    QR Decoder
    102nd
    Quine
    1,826th
    Recamán
    682nd
    Repeating Decimals
    154th
    Reverse Polish Notation
    646th
    Reversi
    169th
    Rijndael S-box
    77th
    Rock-paper-scissors-Spock-lizard
    237th
    Roman to Arabic
    855th
    ROT13
    573rd
    Rule 110
    605th
    Scrambled Sort
    247th
    Set
    157th
    Seven Segment
    348th
    SI Units
    102nd
    Sierpiński Triangle
    819th
    Smith Numbers
    649th
    Spelling Numbers
    206th
    Star Wars GPT
    122nd
    Star Wars Opening Crawl
    412th
    Sudoku
    421st
    Sudoku (Fill-in)
    449th
    Ten-pin Bowling
    133rd
    Tic-tac-toe
    203rd
    Time Distance
    200th
    Tongue-twisters
    320th
    Topological Sort
    95th
    Tower of Hanoi
    1,003rd
    Transpose Sentence
    497th
    Trinomial Triangle
    206th
    United States
    453rd
    Vampire Numbers
    119th
    Van Eck Sequence
    548th
    Zeckendorf Representation
    434th
    Zodiac Signs
    426th
    γ
    128th
    λ
    82nd
    π
    503rd
    τ
    470th
    φ
    894th
    √2
    680th
    𝑒
    1,011th