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

    btnlq

    105,921
    106,329
    💎66
    🥇508
    🥈127
    🥉122

    112 / 123 Holes

    🔣

    43 / 62 Langs

    🏆

    90 / 99 Cheevos

    📅

    10 Holes Authored

    12 Days of Christmas
    75th 52nd
    24 Game
    99 Bottles of Beer
    73rd
    Abundant Numbers
    394th 76th 87th 328th 593rd235th318th 322nd981st 499th
    Abundant Numbers (Long)
    342nd 90th242nd 364th 176th
    Arabic to Roman
    474th155th
    Arithmetic Numbers
    113th 44th
    Arrows
    35th 25th 14th
    Ascending Primes
    94th
    ASCII Table
    52nd 83rd 24th155th68th
    Billiards
    8th
    brainfuck
    95th 2nd
    Card Number Validation
    4th
    Catalan Numbers
    673rd336th532nd 249th 192nd357th42nd
    Catalan’s Constant
    58th62nd
    Christmas Trees
    178th 98th202nd299th
    Collatz
    262nd 146th 693rd 173rd 443rd 413th
    CSS Colors
    206th 41st 106th
    Cubes
    124th 83rd
    Day of Week
    226th 406th 1st 61st
    DFA Simulator
    10th
    Diamonds
    446th 142nd 62nd 46th113th35th
    Divisors
    1,830th 468th 696th 938th996th 491st889th 691st 898th536th 671st1,235th28th 580th 1,499th 868th
    Emirp Numbers
    106th 88th 239th 268th 75th230th21st 314th579th
    Emirp Numbers (Long)
    57th 296th 35th
    Emojify
    3rd 152nd
    Evil Numbers
    642nd 353rd 1,101st 455th 1,257th 1,720th583rd45th 774th2,468th 873rd
    Evil Numbers (Long)
    594th 354th 246th 748th 642nd 616th539th 452nd41st
    Factorial Factorisation
    43rd 41st
    Farey Sequence
    228th 5th
    Fibonacci
    2,058th2,186th2,236th2,721st 746th398th641st3,326th439th1,891st1,144th2,737th1,080th1,089th1,118th834th456th2,823rd489th214th2,009th511th2,085th525th2,505th2,158th1,957th3,316th3,220th376th1,870th45th1,969th1,951st1,169th1,031st 2,466th2,066th2,090th1,057th1,887th
    Fizz Buzz
    1,333rd 3,349th 4,201st3,258th 3,726th 709th 3,152nd 25th3,246th60th 5,051st 1,994th
    Foo Fizz Buzz Bar
    406th 851st 739th 737th612th 356th 927th 255th667th11th 515th
    Forsyth–Edwards Notation
    144th 85th 56th
    Fractions
    215th 470th 519th 341st 245th428th94th 379th
    Game of Life
    70th 22nd
    Gijswijt’s Sequence
    136th 120th 22nd
    Happy Numbers
    454th 198th 807th 158th309th 297th 397th253rd 230th318th30th 469th1,154th 403rd
    Happy Numbers (Long)
    214th 137th 371st 109th292nd 150th 592nd 381st253rd82nd 235th
    Hexdump
    149th 17th
    Intersection
    60th 108th 109th 66th476th32nd
    Inventory Sequence
    284th 67th 34th
    ISBN
    43rd 295th503rd158th
    Jacobi Symbol
    108th
    Kolakoski Constant
    38th 176th
    Kolakoski Sequence
    492nd 203rd
    Leap Years
    148th 200th 19th 137th 1,526th
    Levenshtein Distance
    124th 427th342nd47th
    Leyland Numbers
    340th 191st 261st327th 174th 190th 212th308th23rd 627th 239th
    ln 2
    287th232nd 228th 28th
    Look and Say
    241st 161st 70th324th79th
    Lucky Numbers
    28th
    Lucky Tickets
    188th 144th 56th152nd 101st178th13th
    Maze
    9th
    Medal Tally
    22nd 6th
    Morse Decoder
    37th
    Morse Encoder
    107th87th16th
    Musical Chords
    146th
    N Queens
    48th 8th
    Niven Numbers
    617th 389th 363rd627th 739th425th 527th945th49th 1,326th2,282nd 855th
    Niven Numbers (Long)
    288th 235th 304th341st 283rd 454th1,083rd 56th 1,224th
    Number Spiral
    165th
    Odious Numbers
    352nd 222nd 938th 886th 347th 1,124th 1,677th479th43rd 664th2,283rd 531st
    Odious Numbers (Long)
    1,118th 317th 196th 652nd 442nd 575th481st 376th41st
    Ordinal Numbers
    132nd 365th 222nd 136th393rd191st 119th3rd
    PalindromemordnilaP
    121st 16th
    Pangram Grep
    677th 278th 392nd 393rd 504th729th33rd 197th1,616th 468th
    Pascal’s Triangle
    658th 225th 394th 479th 474th456th49th 953rd 444th
    Pernicious Numbers
    626th 387th 925th 1,206th955th 876th 813th 133rd792nd38th 1,143rd1,705th 647th
    Pernicious Numbers (Long)
    303rd 222nd 287th213th 34th
    Poker
    63rd
    Polyominoes
    23rd
    Prime Numbers
    926th 654th 929th2,137th 333rd636th 627th 809th376th 313th610th115th 856th1,824th 733rd
    Prime Numbers (Long)
    732nd 372nd 489th 1,006th 915th663rd 1,118th 634th513th 829th616th104th 589th
    Proximity Grid
    33rd
    QR Decoder
    25th 31st
    Quine
    1,818th166th
    Recamán
    197th 136th 297th 171st300th72nd 156th
    Repeating Decimals
    20th
    Reverse Polish Notation
    260th 101st 298th 128th 454th54th 243rd
    Rijndael S-box
    4th 12th
    Rock-paper-scissors-Spock-lizard
    20th 23rd
    Roman to Arabic
    224th 193rd336th82nd
    ROT13
    8th
    Rule 110
    215th217th69th
    Scrambled Sort
    29th
    Set
    45th
    Seven Segment
    22nd22nd 52nd 210th 9th
    SI Units
    4th
    Sierpiński Triangle
    141st 125th123rd182nd
    Smith Numbers
    186th 22nd 352nd137th16th
    Spelling Numbers
    171st
    Star Wars GPT
    Star Wars Opening Crawl
    47th
    Sudoku
    31st
    Sudoku (Fill-in)
    49th19th
    Ten-pin Bowling
    55th 62nd
    Tic-tac-toe
    83rd
    Time Distance
    34th
    Tongue-twisters
    235th65th86th
    Transpose Sentence
    153rd 37th
    Trinomial Triangle
    11th
    United States
    193rd
    Vampire Numbers
    171st 35th 395th118th52nd 79th
    Van Eck Sequence
    131st 147th 273rd168th13th 189th
    Zeckendorf Representation
    12th
    Zodiac Signs
    35th
    γ
    89th 67th
    λ
    542nd 142nd 74th 156th353rd
    π
    1,665th 253rd 150th142nd94th 1,332nd
    τ
    129th99th
    φ
    326th 185th264th38th
    √2
    452nd 400th 265th292nd40th
    𝑒
    587th 442nd 466th 474th 359th283rd66th 376th