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    UnderKoen (he/him) 🇳🇱

    97,699
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    100,892
    💎64
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    🥇99
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    🥈73
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    🥉48

    💎 SQL

    ⛳

    134 / 137 Holes

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    1 / 65 Langs

    🏆

    80 / 116 Cheevos

    📅

    12 Days of Christmas
    277th
    24 Game
    153rd
    99 Bottles of Beer
    296th
    Abundant Numbers
    1,360th
    Abundant Numbers (Long)
    591st
    Alphabetic Numbers
    91st
    Arabic to Roman
    508th
    Arithmetic Numbers
    1,611th
    Arrows
    334th
    Ascending Primes
    352nd
    ASCII Table
    165th
    Billiards
    172nd
    brainfuck
    197th
    Calendar
    135th
    Card Number Validation
    185th
    Catalan Numbers
    807th
    Catalan’s Constant
    144th
    Chess Move Validation
    235th
    Christmas Trees
    1,059th
    Collatz
    1,759th
    Continued Fractions
    148th
    CSS Colors
    561st
    Cubes
    70th
    Day of Week
    497th
    DFA Simulator
    189th
    Diamonds
    503rd
    Divisors
    1,108th
    Emirp Numbers
    528th
    Emirp Numbers (Long)
    467th
    Emojify
    669th
    Evil Numbers
    887th
    Evil Numbers (Long)
    1,183rd
    Factorial Factorisation
    110th
    Farey Sequence
    236th
    Fibonacci
    2,879th
    Fizz Buzz
    1,292nd
    Foo Fizz Buzz Bar
    719th
    Forsyth–Edwards Notation
    439th
    Fractions
    719th
    Game of Life
    166th
    Gijswijt’s Sequence
    163rd
    Gray Code Decoder
    713th
    Gray Code Encoder
    838th
    Happy Numbers
    521st
    Happy Numbers (Long)
    795th
    Hexdump
    147th
    Hilbert Curve
    80th
    Intersection
    212th
    Inventory Sequence
    480th
    ISBN
    276th
    Jacobi Symbol
    344th
    Kaprekar Numbers
    146th
    Kolakoski Constant
    95th
    Kolakoski Sequence
    949th
    Leap Years
    1,871st
    Levenshtein Distance
    544th
    Leyland Numbers
    369th
    ln 2
    580th
    Look and Say
    299th
    Lucky Numbers
    515th
    Lucky Tickets
    236th
    Mahjong
    85th
    Mandelbrot
    563rd
    Maze
    146th
    Medal Tally
    126th
    Minesweeper
    155th
    Morse Decoder
    204th
    Morse Encoder
    208th
    Multitap Input
    366th
    Musical Chords
    146th
    N Queens
    357th
    Nim
    365th
    Niven Numbers
    1,296th
    Niven Numbers (Long)
    745th
    Number Spiral
    363rd
    Odious Numbers
    605th
    Odious Numbers (Long)
    1,210th
    Ordinal Numbers
    6th
    PalindromemordnilaP
    454th
    Pangram Grep
    185th
    Partition Numbers
    214th
    Pascal’s Triangle
    1,370th
    Pernicious Numbers
    1,011th
    Pernicious Numbers (Long)
    1,154th
    Poker
    103rd
    Polyominoes
    173rd
    Prime Numbers
    742nd
    Prime Numbers (Long)
    2,493rd
    Proximity Grid
    142nd
    QR Decoder
    482nd
    Quine
    1,972nd
    Recamán
    762nd
    Repeating Decimals
    172nd
    Reverse Polish Notation
    709th
    Reversi
    180th
    Rijndael S-box
    252nd
    Rock-paper-scissors-Spock-lizard
    269th
    Roman to Arabic
    947th
    ROT13
    669th
    Rule 110
    670th
    Scrambled Sort
    290th
    Set
    182nd
    Seven Segment
    402nd
    SI Units
    104th
    Sierpiński Triangle
    918th
    Smith Numbers
    709th
    Spelling Numbers
    231st
    Sphenic Numbers
    96th
    Star Wars GPT
    229th
    Star Wars Opening Crawl
    496th
    Sudoku
    507th
    Sudoku (Fill-in)
    536th
    Taxicab Numbers
    115th
    Ten-pin Bowling
    144th
    Tic-tac-toe
    243rd
    Time Distance
    224th
    Tongue-twisters
    340th
    Topological Sort
    132nd
    Tower of Hanoi
    1,243rd
    Transpose Sentence
    704th
    Trinomial Triangle
    294th
    Ulam Sequence
    241st
    United States
    507th
    Vampire Numbers
    101st
    Van Eck Sequence
    651st
    Zeckendorf Representation
    509th
    Zodiac Signs
    496th
    γ
    143rd
    λ
    85th
    π
    599th
    τ
    555th
    φ
    1,016th
    √2
    766th
    𝑒
    1,120th