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

    za3k

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    88 / 123 Holes

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    2 / 62 Langs

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    28 / 99 Cheevos

    📅

    12 Days of Christmas
    406
    99 Bottles of Beer
    388
    Abundant Numbers
    669
    Abundant Numbers (Long)
    735
    Arabic to Roman
    489
    Arrows
    551
    Ascending Primes
    352
    ASCII Table
    491
    brainfuck
    416
    Catalan Numbers
    493
    Catalan’s Constant
    424
    Christmas Trees
    597
    Collatz
    726
    CSS Colors
    194
    Cubes
    420
    DFA Simulator
    364
    Diamonds
    361
    Divisors
    739
    Emirp Numbers
    505
    Emirp Numbers (Long)
    567
    Emojify
    461
    Evil Numbers
    786
    Evil Numbers (Long)
    769
    Fibonacci
    911
    Fizz Buzz
    683
    Foo Fizz Buzz Bar
    547
    Fractions
    440
    Game of Life
    428
    Happy Numbers
    462
    Happy Numbers (Long)
    560
    Hexdump
    396
    Intersection
    464
    Inventory Sequence
    666
    ISBN
    507
    Jacobi Symbol
    455
    Kolakoski Constant
    361
    Kolakoski Sequence
    554
    Leap Years
    695
    Levenshtein Distance
    400
    Leyland Numbers
    817
    Look and Say
    533
    Lucky Numbers
    755
    Lucky Tickets
    375
    Mandelbrot
    469
    Morse Decoder
    424
    Morse Encoder
    276
    Musical Chords
    196
    Niven Numbers
    708
    Niven Numbers (Long)
    774
    Number Spiral
    344
    Odious Numbers
    784
    Odious Numbers (Long)
    753
    Ordinal Numbers
    637
    PalindromemordnilaP
    573
    Pangram Grep
    646
    Pascal’s Triangle
    660
    Pernicious Numbers
    738
    Pernicious Numbers (Long)
    856
    Poker
    310
    Prime Numbers
    297613
    Prime Numbers (Long)
    333649
    Proximity Grid
    234
    Quine
    472
    Recamán
    503
    Reverse Polish Notation
    453
    Rock-paper-scissors-Spock-lizard
    470
    Roman to Arabic
    464
    Rule 110
    369
    Set
    554
    Seven Segment
    458
    Sierpiński Triangle
    530
    Smith Numbers
    467
    Spelling Numbers
    255
    Star Wars Opening Crawl
    276
    Sudoku
    203
    Sudoku (Fill-in)
    126
    Ten-pin Bowling
    333
    Time Distance
    398
    Tongue-twisters
    364
    United States
    281
    Vampire Numbers
    497
    Van Eck Sequence
    674
    Zodiac Signs
    332
    π
    474
    τ
    471
    φ
    766
    √2
    639
    𝑒
    699