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

    AlephSquirrel

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    123 / 123 Holes

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    72 / 99 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
    333rd239th 697th 358th
    Abundant Numbers
    1,219th 889th231st 338th 60th 1,196th 1,336th 497th 602nd
    Abundant Numbers (Long)
    1,405th 231st378th 612th 55th 242nd 1,539th 954th 176th
    Arabic to Roman
    310th17th 340th 654th 156th 99th
    Arithmetic Numbers
    334th587th 396th 157th
    Arrows
    177th143rd 430th 83rd
    Ascending Primes
    391st139th 198th 356th
    ASCII Table
    392nd441st 983rd 487th 332nd
    Billiards
    233rd146th 149th
    brainfuck
    283rd474th 289th 157th
    Card Number Validation
    117th241st 526th 565th 4th
    Catalan Numbers
    1,074th 555th394th 637th 146th 277th
    Catalan’s Constant
    382nd219th 306th 401st 332nd
    Christmas Trees
    761st836th 259th 632nd 787th 723rd
    Collatz
    1,080th 218th347th 2,264th 1st 727th 64th 2,081st 1,951st 441st 2,189th
    CSS Colors
    187th 172nd
    Cubes
    473rd472nd 439th
    Day of Week
    274th939th 1,178th 661st 61st
    DFA Simulator
    192nd314th 421st 53rd
    Diamonds
    472nd313th 386th 608th 453rd 728th
    Divisors
    2,031st 794th808th 1,503rd 666th 2,347th 1,872nd 3,238th 28th 3,303rd
    Emirp Numbers
    609th213th 614th 1,163rd 588th
    Emirp Numbers (Long)
    250th279th 381st 211th
    Emojify
    262nd96th 261st 143rd 456th 236th
    Evil Numbers
    4,308th 1,032nd 706th470th 3,510th 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
    340th275th 313th
    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
    8,528th12,487th5,603rd12,234th9,982nd10,857th11,529th3,700th10,962nd6,504th 7,669th10,541st1,410th1,500th11,253rd10,453rd3,710th10,451st10,486th 3,504th12,438th9,108th1st9,734th12,435th12,155th4,047th8,144th1,704th7,097th5,737th5,262nd10,635th9,765th9,853rd7,772nd3,775th10,933rd11,960th11,657th60th6,199th11,903rd4,858th7,720th4,774th10,057th9,479th10,244th10,039th12,368th3,953rd
    Foo Fizz Buzz Bar
    325th646th 1,103rd 603rd 955th 1,898th 1,529th 11th 1,613th
    Forsyth–Edwards Notation
    496th210th 118th 395th
    Fractions
    178th401st 299th 92nd
    Game of Life
    267th192nd 161st
    Gijswijt’s Sequence
    251st244th 204th
    Happy Numbers
    1,017th 1,081st 1,131st449th 1,926th 117th 1,765th 1,099th 332nd 30th 917th
    Happy Numbers (Long)
    918th 360th306th 713th 37th 721st 933rd 133rd 217th 709th
    Hexdump
    481st429th 263rd 467th
    Hilbert Curve
    136th123rd 168th
    Intersection
    505th897th 15th 212th 221st
    Inventory Sequence
    406th921st 470th 165th
    ISBN
    1,355th 435th645th 893rd 333rd 517th 739th 193rd
    Jacobi Symbol
    156th266th 136th 310th 519th 108th
    Kaprekar Numbers
    301st364th 274th
    Kolakoski Constant
    147th161st 273rd 643rd 280th 188th
    Kolakoski Sequence
    526th746th 1,149th 774th 761st 642nd 444th
    Leap Years
    826th 811th714th 2,263rd 1st 1,079th 296th 9th 1,646th 408th
    Levenshtein Distance
    262nd515th 47th
    Leyland Numbers
    198th257th 248th 842nd 23rd
    ln 2
    146th668th 627th 440th 28th
    Look and Say
    400th543rd 635th 767th 48th 126th
    Lucky Numbers
    489th340th 335th 484th 435th
    Lucky Tickets
    88th260th 254th 284th 11th
    Mahjong
    203rd207th 201st
    Mandelbrot
    311th266th 290th
    Maze
    287th426th 269th
    Medal Tally
    347th461st 253rd
    Minesweeper
    135th167th 140th
    Morse Decoder
    218th171st 192nd 196th
    Morse Encoder
    169th 21st 124th
    Musical Chords
    131st78th 104th
    N Queens
    241st 296th
    Niven Numbers
    3,057th 1,504th 444th1,391st 1,181st 1st 625th 353rd 1,905th 49th 1,689th 2,500th
    Niven Numbers (Long)
    332nd809th 1,185th 20th 576th 940th 1,128th 164th 998th
    Number Spiral
    414th 379th 336th
    Odious Numbers
    3,381st 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
    1,561st 162nd578th 2,090th1,371st 1,910th 1st 1,440th 637th 1,421st 1,702nd 1,820th 2,181st 33rd 1,584th 2,495th
    Partition Numbers
    102nd265th 73rd
    Pascal’s Triangle
    839th 908th913th 563rd 114th 1,817th 822nd 235th
    Pernicious Numbers
    281st 838th786th 1,018th 1st 955th 156th 1,055th 230th 38th 1,110th 1,730th
    Pernicious Numbers (Long)
    203rd255th 880th 32nd 701st 380th 157th 539th 877th
    Poker
    251st131st 169th 235th
    Polyominoes
    125th79th 120th
    Prime Numbers
    2,893rd 1,559th 3,623rd 773rd1,108th 2,132nd 722nd 1,434th635th 368th 1st 320th 115th 825th 2,268th
    Prime Numbers (Long)
    969th 1,688th 572nd727th 947th 526th 901st 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 1,090th 72nd 1,125th
    Repeating Decimals
    380th268th 381st
    Reverse Polish Notation
    515th597th 686th 1st 54th
    Reversi
    276th 185th 150th
    Rijndael S-box
    37th140th 78th
    Rock-paper-scissors-Spock-lizard
    113th91st 51st
    Roman to Arabic
    376th480th 602nd 67th 314th 685th 103rd
    ROT13
    362nd473rd 617th 8th
    Rule 110
    670th 254th331st 99th 209th
    Scrambled Sort
    166th244th 495th 369th 29th
    Set
    209th360th 222nd 21st
    Seven Segment
    405th 133rd82nd 46th
    SI Units
    244th175th 266th
    Sierpiński Triangle
    504th 468th165th 252nd 51st 434th
    Smith Numbers
    373rd159th 247th
    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
    285th376th 345th 259th
    Time Distance
    152nd74th 141st
    Tongue-twisters
    386th607th 172nd 357th
    Topological Sort
    204th247th 153rd
    Tower of Hanoi
    656th 308th454th 470th257th 533rd 583rd 687th 214th
    Transpose Sentence
    316th475th 715th 1st 80th
    Trinomial Triangle
    94th 7th 407th 80th
    United States
    430th167th 219th 334th 400th297th
    Vampire Numbers
    285th443rd 248th
    Van Eck Sequence
    551st315th 239th 363rd
    Zeckendorf Representation
    277th440th 61st
    Zodiac Signs
    377th 252nd361st 451st 270th 155th
    γ
    382nd385th 368th
    λ
    116th408th 82nd 487th
    π
    286th293rd 743rd 635th 488th 109th
    τ
    216th375th 630th 567th 438th 100th
    φ
    202nd485th 913th 293rd 521st 38th
    √2
    220th658th 1,052nd 362nd 651st 40th
    𝑒
    237th710th 1,121st 869th 497th 66th