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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    Irratix 🇳🇱

    89,097
    90,463
    🥇91
    🥈5
    🥉13

    101 / 123 Holes

    🔣

    21 / 62 Langs

    🏆

    51 / 99 Cheevos

    📅

    3 Holes Authored

    12 Days of Christmas
    592nd 627th 58th 382nd 1,471st
    99 Bottles of Beer
    1,137th 678th 48th 297th
    Abundant Numbers
    2,534th 845th1,634th839th 1,222nd155th 2,974th395th 2,280th 494th2,664th 2,927th
    Abundant Numbers (Long)
    895th 770th 198th 445th 927th
    Arabic to Roman
    883rd 735th272nd 938th 285th 343rd
    Arithmetic Numbers
    6th
    Arrows
    751st 148th 536th
    Ascending Primes
    376th
    ASCII Table
    611th 616th 48th 587th
    brainfuck
    794th 595th 28th 120th
    Card Number Validation
    110th
    Catalan Numbers
    894th 137th 30th113th
    Catalan’s Constant
    206th 146th
    Christmas Trees
    776th 619th 82nd 1,548th315th 466th670th
    Collatz
    699th116th602nd 1,119th 2,276th4th 291st1,046th
    CSS Colors
    294th 313th 109th 110th536th
    Cubes
    519th 503rd 115th 271st
    Day of Week
    103rd
    Diamonds
    801st 864th 242nd 291st928th
    Divisors
    4,543rd 1,230th1,602nd2,101st 426th 3,949th1,137th 269th 35th1,456th 1,273rd
    Emirp Numbers
    666th 1,043rd 1,188th 762nd 1,164th494th1,896th 367th1,048th 818th
    Emirp Numbers (Long)
    399th 315th 438th
    Emojify
    205th 386th
    Evil Numbers
    791st712th882nd 847th 2,340th 3,371st492nd 45th1,993rd 1,886th
    Evil Numbers (Long)
    906th 647th 440th 115th
    Factorial Factorisation
    169th
    Farey Sequence
    541st
    Fibonacci
    3,628th 734th867th629th 426th986th6,479th 6,627th224th 513th 4,424th 55th1,112th 935th
    Fizz Buzz
    4,807th 10,345th2,240th3,654th2,159th 5,080th5,876th5,027th 7,028th23rd 1,968th4,221st 5,278th783rd2,672nd4,804th5,295th
    Foo Fizz Buzz Bar
    1,304th1,417th1,313th 2,231st 1,646th456th 24th1,895th
    Forsyth–Edwards Notation
    164th
    Fractions
    671st 872nd 588th 484th10th
    Game of Life
    82nd
    Gijswijt’s Sequence
    170th
    Happy Numbers
    767th 1,249th1,584th1,128th 934th 1,036th 1,925th682nd 433rd1,865th 1,458th
    Happy Numbers (Long)
    698th789th452nd 701st 1,068th242nd 156th1,044th
    Hexdump
    49th 225th
    Intersection
    410th 563rd 28th 170th
    Inventory Sequence
    688th 584th 76th
    ISBN
    283rd 448th 22nd 320th
    Jacobi Symbol
    238th 240th 309th114th 203rd
    Kolakoski Constant
    221st 171st 34th 70th327th
    Kolakoski Sequence
    423rd359th374th 964th136th 323rd523rd
    Leap Years
    4,234th 436th840th265th 1,202nd240th 3,533rd36th 1,597th 2,610th1,165th1,668th 1,241st
    Levenshtein Distance
    604th 627th 112th 185th 569th58th
    Leyland Numbers
    931st 636th 316th 216th1,040th
    ln 2
    214th 385th
    Look and Say
    663rd 80th 427th496th
    Lucky Numbers
    450th 425th517th
    Lucky Tickets
    341st 58th 31st350th
    Maze
    155th
    Medal Tally
    188th
    Morse Decoder
    279th 129th 173rd
    Morse Encoder
    207th 218th 653rd 47th 158th
    Musical Chords
    144th
    Niven Numbers
    1,243rd1,087th1,304th 1,175th 1,438th 3,012th63rd 749th 2,794th439th2,037th 1,495th
    Niven Numbers (Long)
    1,280th 1,230th 55th 1,086th
    Number Spiral
    196th 367th 161st 294th
    Odious Numbers
    583rd646th692nd 712th 2,065th 2,801st370th 43rd1,860th 1,571st
    Odious Numbers (Long)
    589th 545th 231st 41st
    Ordinal Numbers
    917th 936th 1,082nd 44th 1,030th339th
    Pangram Grep
    1,848th 1,707th 25th 801st942nd
    Pascal’s Triangle
    928th 860th 1,243rd 492nd 233rd
    Pernicious Numbers
    263rd 511th 1,710th 1,986th175th 38th913th
    Pernicious Numbers (Long)
    826th 680th 613th 918th
    Poker
    29th 180th
    Prime Numbers
    952nd2,039th1,221st 1,071st1st3,322nd168th 2,796th 269th1,449th 2,634th
    Prime Numbers (Long)
    761st956th817th 1,221st1st2,001st188th 499th 106th1,183rd 1,045th
    Proximity Grid
    31st
    QR Decoder
    84th 103rd
    Quine
    1st 4,464th 3,956th238th 167th2,095th
    Recamán
    263rd 23rd 613th 383rd
    Repeating Decimals
    179th
    Reverse Polish Notation
    139th 359th
    Rijndael S-box
    151st
    Rock-paper-scissors-Spock-lizard
    58th 191st
    Roman to Arabic
    431st 20th470th
    Rule 110
    190th 87th 306th336th
    Scrambled Sort
    162nd
    Seven Segment
    443rd 368th 88th 98th
    SI Units
    82nd
    Sierpiński Triangle
    156th176th127th 745th54th 233rd278th 500th
    Smith Numbers
    949th 381st414th398th 323rd 554th110th 180th
    Spelling Numbers
    105th 726th
    Star Wars Opening Crawl
    135th
    Sudoku
    101st 182nd
    Sudoku (Fill-in)
    150th 341st
    Ten-pin Bowling
    145th
    Time Distance
    57th 223rd
    Tongue-twisters
    408th 1,113th 17th 449th
    United States
    189th 457th
    Vampire Numbers
    89th 117th 55th481st
    Van Eck Sequence
    765th 637th 1,005th 217th 652nd
    Zodiac Signs
    59th 405th
    γ
    84th 215th
    λ
    86th 120th 135th 220th188th 251st548th
    π
    338th 130th832nd
    τ
    252nd 150th709th
    φ
    738th 1,068th126th 13th796th
    √2
    768th 1,185th183rd 393rd983rd
    𝑒
    874th 757th 925th 471st 513th715th