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

    retrohun

    86,417
    81,590
    🦄2
    💎6
    🥇52
    🥈57
    🥉65

    placeholder for brainwashing short quote

    123 / 123 Holes

    🔣

    62 / 62 Langs

    🏆

    89 / 99 Cheevos

    📅

    12 Days of Christmas
    12415482999 2242250104 160 856210210768 124 112 11762 1275674 12086 78127 911061899466114781288089319 79138 8271899094 92124102
    24 Game
    44272 13 243 830
    99 Bottles of Beer
    12449874302 6369231405 32 1416161710 19 16 227 19148 1912 109 13154551871610191011391 1021 763211912 121214
    Abundant Numbers
    135816774180 310742267290 638 357223313253323 242 79 331113 2589064 258216 201107 24010940019421128555346719216182 185362 737439264311 194268279
    Abundant Numbers (Long)
    2481768843 877686164 162 7042765459 65 12 7921 47 12 6140 3625 5328815036551269553832 4275 184916355 536461
    Arabic to Roman
    298694 802
    Arithmetic Numbers
    776 194
    Arrows
    750 484
    Ascending Primes
    761 555 138 476 723292
    ASCII Table
    292322859334 15723390353 372294375423298 340 155 413158 369103138 351327 252125 374285428415183320135373238285195 220448 837496448311 330249434
    Billiards
    556 282
    brainfuck
    709783 444 502
    Card Number Validation
    769 824
    Catalan Numbers
    6416247 23402436 101 1817212114 17 25 396 1596 3613 1314 404573851243816974417 1142 461115718 264457
    Catalan’s Constant
    4695168139 154124110133 9279959763 75 88 15032 7482 15763 4467 114161383185611036356589146 45179 33822614480 121177146
    Christmas Trees
    73804620108 133520134145 12397148108118 122 45 17647 1162937 133112 9059 12412515812559112637124672104433 83147 746208135125 12471119
    Collatz
    784570512 207811820 51 2615241520 22 5 227 1484 1913 139 167251414173227551811 1426 43311921 151619
    CSS Colors
    14654 427
    Cubes
    666446155 24615864 5939695750 73 46 6822 521723 6640 3431 4970897539602264335627 2968 401067361 654368
    Day of Week
    911779 712 221
    DFA Simulator
    385
    Diamonds
    504776757 28697174 7959796558 69 30 8623 652620 7860 5129 6765917335572167495933 4183 6791208258 653770
    Divisors
    2281681144 8284253787 131 5338595246 50 19 7420 49611 5638 3118 5148635659140135093328812 3462 133795151 452848
    Emirp Numbers
    160316592297 469433298330 709 471300363292369 281 142 419208 3617091 279314 310143 36431260923427541058366594379802 283456 659522283456 309354384
    Emirp Numbers (Long)
    434955860 83757074 172 8754796664 92 25 8726 572713 7148 5223 5837103673554137145761733 4993 1711867763 5510077
    Emojify
    464 793
    Evil Numbers
    127755862293332454811437753309367503277527359728145498 50032913331878349719466744410190263476353272320122667356330665191802495316398873391653532335580476906685134552552110429473353
    Evil Numbers (Long)
    678978914 208462126 66 2314301927 25 4 308 2074 2315 157 1793215142032287018593 1429 627382226 161822
    Factorial Factorisation
    634866 104 448
    Farey Sequence
    828
    Fibonacci
    80894905174218265913272818626506577780307158336227301337233173828151434494 1924486450057287522719077256243211339842663240492589351858788117539858525503288716366219191282232
    Fizz Buzz
    7786697380044629941136903 349 633117183135148 122 8633 18469 920111400 149989 81170 90411321676283197999162891146935 777210 851211124147 587108159
    Foo Fizz Buzz Bar
    101288312 6981418 37 1913181412 16 5 197 1493 1811 128 158191581431511139 1121 522231714 141316
    Forsyth–Edwards Notation
    674688 931
    Fractions
    773570 533
    Game of Life
    697 715 51 490 603
    Gijswijt’s Sequence
    201 662
    Happy Numbers
    172372719255 365492348379 682 572336419339427 294 113 447204 385144103 313338 292155 35229157427143841563425507440383 262495 805624336579 282437396
    Happy Numbers (Long)
    507666689 14121107128 293 17588139111118 144 34 15841 967324 12184 8446 108601731116711823134105109357 74174 303200151119 10787142
    Hexdump
    839 514
    Hilbert Curve
    77 368
    Intersection
    589
    Inventory Sequence
    51160311 2222121 53 2015271824 32 5 268 18 3 2114 188 171836131215326191910 1433 97472522 152524
    ISBN
    687859402 775 726 427 564 547 510
    Jacobi Symbol
    667581 547
    Kaprekar Numbers
    538 265 414
    Kolakoski Constant
    4289168134 35106111128 11283909883 97 93 12530 85165 12068 5841 11712229517266966777588649 48152 18122714878 119169135
    Kolakoski Sequence
    92040516 3262935 3623343232 31 25 4212 3210 3223 237 3033414219201830481915 2137 765473433 251732
    Leap Years
    2589884738 5487161764 143 7242815452 60 17 8327 5313917 6445 4429 223457474690960116778546842 44628 833895565 474359
    Levenshtein Distance
    572651 445 236 478
    Leyland Numbers
    8574061184 41117112120 213 101691059768 81 39 14230 6812219 11567 4839 758312910447792784676750 48132 28110812686 968588
    ln 2
    82136 50 336
    Look and Say
    26467556668275868753855150 7740647253 8361 63 8922 58170 7644444824 73638198275542596044127 3893 8791175851 653868
    Lucky Numbers
    5953210 2141415 39 1810171213 16 4 195 11103 1510 106 1211171281231610109 919 83331315 11714
    Lucky Tickets
    90 407
    Mahjong
    95
    Mandelbrot
    683 761
    Maze
    482 642 927
    Medal Tally
    733 560
    Minesweeper
    839 436
    Morse Decoder
    141 256
    Morse Encoder
    198138
    Musical Chords
    242 23627 10
    N Queens
    111 410 129
    Niven Numbers
    151832902266271417840393780261323661298555323452339457 33627911892 461177 36512798290310312134327155 337317552284817425263443960342973522293517 830580393438474306377437
    Niven Numbers (Long)
    35497145 977078 21 104977 8 2 103 642 85 53 661064658763 510 221187 668
    Number Spiral
    341229458403 44283312314 316251331323249 317 203 356130 30814867 305256 19997 344311362378234292231322202191135 205344 548485353391 299377312
    Odious Numbers
    123559861251 418822435757 630 505346486366496 354383 92 494178 42711191261332339 328127 351327669308751462272513852379655 322585 905658386499 314401478
    Odious Numbers (Long)
    663085314 267521680 69 2314311827 25 5 308 20134 2315 147 171932151318142284917638 1429 579372223 161722
    Ordinal Numbers
    810893 941
    PalindromemordnilaP
    844 770 799
    Pangram Grep
    888848 431 468 123 135 91 208 504 823 91814444
    Partition Numbers
    99 340
    Pascal’s Triangle
    3264368273 2059190540 204 6863878273 81 55 11928 831717 8963 4919 827710212028963487688743763 4996 931388472 744482
    Pernicious Numbers
    122674703220 335649342562 668 408234388278408 298 86 407143 32611475 272232 272122 274271497243413322191381815319538 258428 840496312324 261316338
    Pernicious Numbers (Long)
    127502 26233637 8 32323 3 1 31 2 1 32 21 22424652027882676 23 640433 233
    Poker
    245525391
    Polyominoes
    109
    Prime Numbers
    161690832331 456845448716 628 578375509421486 361 596 544776 3811271,000 375340 335111 384371705602740552322515913322836 789631 902772427596 356410499
    Prime Numbers (Long)
    25036046 78278730 26 861178 9 2 12828 731,000 5345 52 871187367189525765 510 17530689 768
    Proximity Grid
    656
    QR Decoder
    513 214
    Quine
    1,000554967 160492 378 548 613 556 933 809878904 714 464 947584907821958707 947445602 923643 367919 589 255
    Recamán
    2144955241 74707070 166 8648855565 89 17 8630 593715 7143 5532 5356974840521075595437 4593 1871107372 537669
    Repeating Decimals
    1 314
    Reverse Polish Notation
    486742
    Reversi
    600 636
    Rijndael S-box
    183 171 423
    Rock-paper-scissors-Spock-lizard
    556 184
    Roman to Arabic
    408688 356 447 607 362
    ROT13
    822 879
    Rule 110
    659367410 54828511 106998 10 124 824 107 63 10101212475868185 510 48116107 69
    Scrambled Sort
    721 415 361
    Set
    814
    Seven Segment
    590
    SI Units
    31 69 584
    Sierpiński Triangle
    90125727151 96573147613 18111115977155 149 95 21082 1593262 78111 10675 15316921422392119114147131154466 112190 120277143173 13776131
    Smith Numbers
    2614419342 18475049 130 7842584851 67 18 6120 47609 5137 3822 49497345354741675094532 3465 3261335949 454866
    Spelling Numbers
    488 287 441
    Star Wars GPT
    534 365
    Star Wars Opening Crawl
    35
    Sudoku
    715 346
    Sudoku (Fill-in)
    398 291
    Ten-pin Bowling
    424 189
    Tic-tac-toe
    686 550 737
    Time Distance
    421
    Tongue-twisters
    341544691434 72366296371 535 404347271416241 393 504 402290 402290342 313332 281392 351399596397266510282341277313244 282427 810547352257 382479392
    Topological Sort
    808 430
    Tower of Hanoi
    13 1951137 20 6 86 21
    Transpose Sentence
    830 646 483
    Trinomial Triangle
    596
    United States
    538 65 717
    Vampire Numbers
    10588162124 40104104108 356 138841069695 118 55 12237 8512925 11075 6945 9712317912171111801197011057 68124 602187113101 113129127
    Van Eck Sequence
    51138211 2232022 64 2415281522 27 4 266 15263 2112 178 14153113 141519 1713 1430 26322423 151822
    Zeckendorf Representation
    740 569
    Zodiac Signs
    518707 304 507
    γ
    275 366
    λ
    162230566214 227197174206 134 167115151178132 168 168 21462 164282 199123 89159 20120839022615720610414410018786 86211 350234194142533193183184
    π
    3584288119 7810099116 4362839156 65 73 13827 6461 11158 2958 1141351611742574505014179105 40138 40720413667254108132111
    τ
    3583280118 809896113 4862829257 67 71 13627 6461 11159 3857 11113015917127735050567838 40135 39520013266250108130109
    φ
    2781282119 539887101 4952696950 56 72 10019 5643 7547 3452 11012915917330714445507924 33139 4001681313724678121104
    √2
    2784140119 50998399 4252717152 58 72 8520 5864 5749 3251 11212915617326884644477828 33132 4032041283724976132112109
    𝑒
    275918699 54808797 3754747944 55 63 11920 5245 9448 2838 90107115130256138454666470 37103 4031619559198828482123