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

    AlephSquirrel

    108,018
    97,772
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    123 / 123 Holes

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    72 / 98 Cheevos

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    1 Hole Authored

    12 Days of Christmas
    1,516th 1,191st16th 174th 419th
    24 Game
    301st 226th
    99 Bottles of Beer
    332nd239th 697th 357th
    Abundant Numbers
    1,219th 889th231st 338th 60th 1,196th 1,336th 497th 602nd
    Abundant Numbers (Long)
    1,406th 231st378th 612th 55th 242nd 1,540th 954th 176th
    Arabic to Roman
    310th16th 340th 653rd 156th 98th
    Arithmetic Numbers
    333rd587th 396th 157th
    Arrows
    177th143rd 431st 83rd
    Ascending Primes
    393rd140th 198th 357th
    ASCII Table
    392nd441st 983rd 487th 332nd
    Billiards
    234th146th 149th
    brainfuck
    283rd474th 289th 157th
    Card Number Validation
    117th241st 526th 565th 4th
    Catalan Numbers
    1,074th 555th394th 637th 146th 277th
    Catalan’s Constant
    384th221st 308th 403rd 334th
    Christmas Trees
    761st836th 260th 632nd 787th 723rd
    Collatz
    1,094th 220th352nd 2,293rd 1st 737th 64th 2,107th 1,977th 452nd 2,216th
    CSS Colors
    187th 172nd
    Cubes
    473rd472nd 439th
    Day of Week
    274th939th 1,178th 661st 61st
    DFA Simulator
    192nd314th 420th 53rd
    Diamonds
    471st313th 385th 607th 452nd 728th
    Divisors
    2,033rd 796th810th 1,504th 668th 2,349th 1,873rd 3,240th 28th 3,305th
    Emirp Numbers
    610th214th 615th 1,164th 589th
    Emirp Numbers (Long)
    250th279th 380th 210th
    Emojify
    262nd96th 261st 143rd 456th 236th
    Evil Numbers
    4,308th 1,032nd 706th470th 3,508th 1,796th 2,810th626th 509th 1,499th 2,658th 45th 2,679th 2,346th
    Evil Numbers (Long)
    912th 472nd378th 1,731st 1,148th 472nd 946th 1,627th 112th 1,632nd 1,573rd
    Factorial Factorisation
    341st276th 314th
    Farey Sequence
    556th645th 316th 301st 510th
    Fibonacci
    2,058th 746th 7,473rd 2,599th1,101st 4,349th 1,981st 5,104th 214th 1,981st 6,487th 45th 1,169th 4,154th
    Fizz Buzz
    8,527th12,486th5,601st12,233rd9,981st10,856th11,528th3,699th10,961st6,503rd 7,667th10,540th1,410th1,500th11,252nd10,452nd3,709th10,450th10,485th 3,504th12,437th9,107th1st9,733rd12,434th12,154th4,046th8,143rd1,704th7,096th5,735th5,261st10,634th9,764th9,852nd7,770th3,774th10,932nd11,959th11,656th60th6,198th11,902nd4,857th7,718th4,773rd10,056th9,478th10,243rd10,038th12,367th3,952nd
    Foo Fizz Buzz Bar
    325th646th 1,103rd 603rd 955th 1,899th 1,529th 11th 1,614th
    Forsyth–Edwards Notation
    496th210th 118th 395th
    Fractions
    178th401st 299th 92nd
    Game of Life
    267th192nd 161st
    Gijswijt’s Sequence
    251st244th 204th
    Happy Numbers
    1,018th 1,082nd 1,131st449th 1,929th 117th 1,768th 1,100th 332nd 30th 917th
    Happy Numbers (Long)
    920th 360th306th 715th 37th 723rd 935th 133rd 217th 711th
    Hexdump
    481st429th 263rd 467th
    Hilbert Curve
    138th123rd 171st
    Intersection
    505th897th 15th 213th 221st
    Inventory Sequence
    406th921st 470th 165th
    ISBN
    1,355th 435th644th 892nd 333rd 516th 738th 193rd
    Jacobi Symbol
    157th266th 136th 310th 519th 108th
    Kaprekar Numbers
    301st364th 274th
    Kolakoski Constant
    149th163rd 275th 643rd 282nd 190th
    Kolakoski Sequence
    525th745th 1,148th 772nd 759th 640th 443rd
    Leap Years
    827th 812th715th 2,264th 1st 1,080th 296th 9th 1,647th 408th
    Levenshtein Distance
    262nd515th 47th
    Leyland Numbers
    198th257th 248th 842nd 23rd
    ln 2
    146th668th 627th 442nd 28th
    Look and Say
    400th543rd 635th 767th 48th 126th
    Lucky Numbers
    492nd343rd 338th 487th 438th
    Lucky Tickets
    88th260th 254th 284th 11th
    Mahjong
    203rd207th 201st
    Mandelbrot
    310th265th 289th
    Maze
    286th425th 268th
    Medal Tally
    347th461st 253rd
    Minesweeper
    135th160th 140th
    Morse Decoder
    218th168th 189th 193rd
    Morse Encoder
    169th 21st 123rd
    Musical Chords
    131st78th 104th
    N Queens
    241st 296th
    Niven Numbers
    3,063rd 1,510th 449th1,397th 1,187th 1st 630th 352nd 1,911th 49th 1,695th 2,507th
    Niven Numbers (Long)
    332nd811th 1,188th 20th 576th 943rd 1,131st 164th 1,001st
    Number Spiral
    414th 379th 336th
    Odious Numbers
    3,385th 799th 576th383rd 2,892nd 1,239th 2,493rd411th 712th 313th 2,795th 43rd 2,241st 2,239th
    Odious Numbers (Long)
    686th 408th295th 1,587th 897th 229th 216th 1,708th 41st 1,495th 1,444th
    Ordinal Numbers
    978th327th 910th 480th 745th 445th
    PalindromemordnilaP
    273rd 519th 178th
    Pangram Grep
    1,569th 162nd585th 2,097th1,378th 1,917th 1st 1,447th 645th 1,430th 1,711th 1,828th 2,188th 33rd 1,592nd 2,502nd
    Partition Numbers
    102nd265th 73rd
    Pascal’s Triangle
    850th 919th924th 573rd 114th 1,827th 833rd 235th
    Pernicious Numbers
    281st 843rd791st 1,023rd 1st 960th 156th 1,060th 230th 38th 1,115th 1,735th
    Pernicious Numbers (Long)
    207th255th 881st 32nd 701st 380th 157th 539th 878th
    Poker
    251st131st 169th 235th
    Polyominoes
    125th79th 120th
    Prime Numbers
    2,894th 1,560th 3,626th 774th1,109th 2,132nd 723rd 1,435th637th 368th 1st 320th 115th 826th 2,268th
    Prime Numbers (Long)
    970th 1,688th 573rd728th 948th 527th 902nd 362nd 1st 1,846th 210th 1,191st 1,516th
    Proximity Grid
    171st221st 158th
    QR Decoder
    170th130th 143rd
    Quine
    33rd 4,303rd 2,703rd1,262nd 1,586th 535th 2,171st 4,786th 163rd
    Recamán
    398th190th 223rd 1,088th 72nd 1,123rd
    Repeating Decimals
    380th268th 381st
    Reverse Polish Notation
    515th597th 686th 1st 54th
    Reversi
    275th 185th 150th
    Rijndael S-box
    37th141st 79th
    Rock-paper-scissors-Spock-lizard
    113th91st 51st
    Roman to Arabic
    376th480th 601st 67th 314th 684th 103rd
    ROT13
    362nd473rd 617th 8th
    Rule 110
    671st 255th330th 99th 210th
    Scrambled Sort
    166th244th 495th 369th 29th
    Set
    209th361st 222nd 21st
    Seven Segment
    404th 133rd82nd 46th
    SI Units
    244th175th 266th
    Sierpiński Triangle
    504th 468th165th 252nd 51st 434th
    Smith Numbers
    374th159th 248th
    Spelling Numbers
    906th1st 370th
    Star Wars GPT
    177th 171st214th 63rd
    Star Wars Opening Crawl
    259th341st 227th
    Sudoku
    253rd 342nd
    Sudoku (Fill-in)
    289th 288th
    Ten-pin Bowling
    427th381st 417th
    Tic-tac-toe
    284th375th 344th 258th
    Time Distance
    151st74th 141st
    Tongue-twisters
    386th607th 172nd 357th
    Topological Sort
    203rd248th 153rd
    Tower of Hanoi
    651st 308th451st 468th257th 531st 579th 681st 218th
    Transpose Sentence
    317th476th 716th 1st 80th
    Trinomial Triangle
    94th 7th 406th 80th
    United States
    430th167th 219th 334th 400th297th
    Vampire Numbers
    286th444th 248th
    Van Eck Sequence
    551st315th 239th 363rd
    Zeckendorf Representation
    277th440th 61st
    Zodiac Signs
    376th 251st360th 450th 269th 155th
    γ
    381st385th 368th
    λ
    116th408th 82nd 487th
    π
    288th295th 746th 638th 492nd 109th
    τ
    218th377th 634th 571st 442nd 100th
    φ
    202nd487th 923rd 295th 523rd 38th
    √2
    220th662nd 1,055th 362nd 655th 40th
    𝑒
    237th717th 1,126th 876th 503rd 66th