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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
    334th 110th 40th 1,125th
    24 Game
    198th 185th 109th
    99 Bottles of Beer
    130th 203rd 1,135th
    Abundant Numbers
    1,034th 1,256th 276th
    Abundant Numbers (Long)
    401st 454th 422nd
    Arabic to Roman
    694th 556th 912th 541st 663rd
    Arithmetic Numbers
    144th 160th 483rd
    Arrows
    295th 237th 560th
    Ascending Primes
    188th 48th 192nd
    ASCII Table
    254th 233rd 142nd
    Billiards
    241st 169th
    brainfuck
    1,288th 223rd 81st 588th
    Calendar
    4th
    Card Number Validation
    268th 14th 110th 327th
    Catalan Numbers
    195th 42nd 679th
    Catalan’s Constant
    351st 3rd 334th
    Christmas Trees
    318th 429th 390th 282nd
    Collatz
    587th 372nd 1,278th 445th 1,371st
    CSS Colors
    1,177th 1st 144th 362nd
    Cubes
    281st 258th
    Day of Week
    276th 138th 1st61st 1,162nd
    DFA Simulator
    76th 245th 134th 22nd 147th
    Diamonds
    349th 268th 107th
    Divisors
    643rd 2,233rd 901st 28th 2,496th
    Emirp Numbers
    559th 601st 398th 438th
    Emirp Numbers (Long)
    473rd 412th
    Emojify
    212th 169th 255th
    Evil Numbers
    707th 1,110th 1,977th 46th 1,314th 2,692nd
    Evil Numbers (Long)
    476th 1,018th 967th 113th 1,075th
    Factorial Factorisation
    284th 1,066th 334th 267th 420th
    Farey Sequence
    261st 337th 423rd 84th 299th
    Fibonacci
    2,690th3,398th2,733rd6,899th989th3,881st2,604th 3,357th4,787th4,163rd 6,610th 836th 9,340th 954th214th 2,418th527th 4,130th3,229th4,869th45th 3,471st2,904th1,169th 8,510th9,155th
    Fizz Buzz
    1,411th 1,437th133rd 4,315th 612th 60th 4,856th533rd
    Foo Fizz Buzz Bar
    325th 872nd 11th 1,400th
    Forsyth–Edwards Notation
    331st 460th 189th 271st
    Fractions
    185th 144th 94th 567th10th
    Game of Life
    210th 706th 172nd 302nd 130th 232nd
    Gijswijt’s Sequence
    160th 214th 66th 230th
    Happy Numbers
    764th 751st 30th 864th
    Happy Numbers (Long)
    546th 398th 524th
    Hexdump
    494th 407th 447th
    Hilbert Curve
    214th
    Intersection
    505th 298th 221st
    Inventory Sequence
    453rd 190th 264th 315th
    ISBN
    436th 117th 222nd 896th
    Jacobi Symbol
    412th 316th
    Kaprekar Numbers
    514th 484th 145th
    Kolakoski Constant
    264th 336th 292nd 477th
    Kolakoski Sequence
    425th 666th 569th 274th 714th
    Leap Years
    1,553rd 953rd 1,036th 1,981st
    Levenshtein Distance
    339th 190th
    Leyland Numbers
    201st 23rd 1,071st
    ln 2
    146th 28th 957th
    Look and Say
    538th 85th 305th500th 528th 300th
    Lucky Numbers
    227th 73rd 579th
    Lucky Tickets
    131st 56th 13th 310th
    Mahjong
    196th 189th
    Mandelbrot
    124th 68th 102nd
    Maze
    249th 225th
    Medal Tally
    116th 330th 270th 6th 224th
    Minesweeper
    69th 86th 57th
    Morse Decoder
    141st 115th
    Morse Encoder
    189th 149th
    Musical Chords
    250th 237th
    N Queens
    139th 229th 144th 104th
    Niven Numbers
    998th 114th 288th 2,004th
    Niven Numbers (Long)
    589th 224th 623rd 1,477th
    Number Spiral
    225th 165th 461st
    Odious Numbers
    576th 963rd 1,720th 44th 1,434th
    Odious Numbers (Long)
    408th 878th 643rd 42nd 1,133rd
    Ordinal Numbers
    811th 258th 369th
    PalindromemordnilaP
    219th 300th 294th 78th 215th
    Pangram Grep
    1,388th 523rd 1,795th2,024th1,798th 1,513th 396th1,981st 282nd 790th 1,931st2,091st
    Partition Numbers
    401st 358th 388th 123rd
    Pascal’s Triangle
    980th 854th 1,435th 332nd 1,197th
    Pernicious Numbers
    360th 38th 1,283rd
    Pernicious Numbers (Long)
    205th 34th 526th
    Poker
    102nd 82nd
    Polyominoes
    151st 148th 43rd
    Prime Numbers
    1,330th 1,452nd 1,566th 1,293rd 286th 1,056th
    Prime Numbers (Long)
    576th 911th 1,021st 874th 105th 1,256th
    Proximity Grid
    258th 264th 129th
    QR Decoder
    242nd 230th
    Quine
    1st 266th 2,415th 2,966th636th 2,645th 2,828th1,315th 167th 2,463rd
    Recamán
    402nd 343rd 74th 877th
    Repeating Decimals
    387th 353rd 202nd
    Reverse Polish Notation
    692nd 352nd 251st 461st
    Reversi
    212th 204th
    Rijndael S-box
    315th 332nd 340th
    Rock-paper-scissors-Spock-lizard
    349th 303rd 146th
    Roman to Arabic
    285th 480th 44th 393rd
    ROT13
    365th 9th 534th
    Rule 110
    560th 514th 256th
    Scrambled Sort
    187th 30th 265th
    Set
    189th 22nd 304th
    Seven Segment
    418th 279th 172nd
    SI Units
    199th 224th
    Sierpiński Triangle
    368th 429th 386th 211th
    Smith Numbers
    290th 291st 647th
    Spelling Numbers
    953rd180th 624th 253rd
    Star Wars GPT
    100th 56th 164th
    Star Wars Opening Crawl
    191st 155th
    Sudoku
    157th 164th
    Sudoku (Fill-in)
    225th 208th
    Ten-pin Bowling
    287th 285th
    Tic-tac-toe
    245th 336th 202nd 155th
    Time Distance
    132nd 129th 151st
    Tongue-twisters
    298th 231st 80th
    Topological Sort
    158th 151st 126th
    Tower of Hanoi
    654th 152nd 564th
    Transpose Sentence
    190th 290th 80th 476th
    Trinomial Triangle
    109th 211th
    United States
    384th 74th 288th 230th
    Vampire Numbers
    160th 86th 92nd
    Van Eck Sequence
    293rd 394th 13th 567th
    Zeckendorf Representation
    89th 183rd 8th 324th
    Zodiac Signs
    181st 88th 225th
    γ
    429th 1st819th 422nd 599th
    λ
    405th 1,830th 324th 409th 750th 1,583rd
    π
    260th 678th271st 23rd838th 110th 1,689th
    τ
    174th 599th192nd 515th687th 101st 1,150th
    φ
    336th 628th 195th 232nd 1,461st
    √2
    228th 936th 703rd 40th 1,671st
    𝑒
    238th 17th750th 66th2,218th 1,661st