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

    rollershutter

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    101 / 123 Holes

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    12 Days of Christmas
    541st
    24 Game
    12th
    99 Bottles of Beer
    147th
    Abundant Numbers
    41st62nd 275th
    Abundant Numbers (Long)
    31st 189th
    Arabic to Roman
    11th 342nd
    Arithmetic Numbers
    132nd
    Arrows
    269th
    Ascending Primes
    100th
    ASCII Table
    10th 23rd 34th
    Billiards
    96th
    brainfuck
    265th
    Card Number Validation
    116th
    Catalan Numbers
    9th 32nd 241st
    Catalan’s Constant
    91st
    Christmas Trees
    8th 119th
    Collatz
    16th 24th 199th
    CSS Colors
    134th
    Cubes
    66th
    Day of Week
    94th
    Diamonds
    9th 100th
    Divisors
    39th 242nd35th46th 67th 394th
    Emirp Numbers
    221st
    Emirp Numbers (Long)
    16th 86th
    Emojify
    162nd
    Evil Numbers
    46th 210th24th 57th 269th
    Evil Numbers (Long)
    17th 99th30th 30th 176th
    Factorial Factorisation
    7th 12th 181st
    Farey Sequence
    129th
    Fibonacci
    73rd211th 204th398th58th117th66th 142nd 186th
    Fizz Buzz
    108th 744th38th 168th117th 58th
    Foo Fizz Buzz Bar
    26th 25th 47th 236th
    Forsyth–Edwards Notation
    125th
    Fractions
    485th
    Happy Numbers
    33rd 20th 158th
    Happy Numbers (Long)
    14th 16th 157th
    Hexdump
    9th 52nd
    Intersection
    10th 241st
    Inventory Sequence
    168th
    ISBN
    10th 15th 15th 134th
    Jacobi Symbol
    109th
    Kaprekar Numbers
    75th
    Kolakoski Constant
    140th
    Leap Years
    40th 182nd21st44th 50th 90th
    Levenshtein Distance
    136th
    Leyland Numbers
    9th 8th
    ln 2
    8th 41st 133rd
    Look and Say
    10th 198th
    Lucky Numbers
    55th
    Medal Tally
    102nd
    Minesweeper
    73rd
    Morse Decoder
    184th
    Morse Encoder
    219th
    N Queens
    123rd
    Niven Numbers
    32nd 52nd 281st
    Niven Numbers (Long)
    24th 20th 95th
    Number Spiral
    7th 188th
    Odious Numbers
    38th 180th31st56th 48th 153rd
    Odious Numbers (Long)
    17th 92nd22nd 27th 109th
    Ordinal Numbers
    290th
    PalindromemordnilaP
    181st
    Pangram Grep
    8th 60th
    Partition Numbers
    8th
    Pascal’s Triangle
    17th 126th
    Pernicious Numbers
    33rd 450th48th
    Pernicious Numbers (Long)
    199th
    Poker
    97th
    Prime Numbers
    35th98th 90th87th33rd77th31st84th17th52nd157th19th
    Prime Numbers (Long)
    61st 55th42nd32nd36th23rd25th15th 52nd17th
    Quine
    1st 72nd
    Recamán
    12th 179th
    Repeating Decimals
    127th
    Rijndael S-box
    7th37th31st23rd 10th 114th
    Rock-paper-scissors-Spock-lizard
    8th 106th
    Roman to Arabic
    275th
    ROT13
    88th
    Rule 110
    7th 196th
    Scrambled Sort
    101st
    Set
    58th
    Seven Segment
    8th 127th
    SI Units
    78th
    Sierpiński Triangle
    160th
    Smith Numbers
    152nd
    Spelling Numbers
    116th
    Star Wars GPT
    80th
    Star Wars Opening Crawl
    121st
    Tic-tac-toe
    70th
    Time Distance
    4th 146th
    Tongue-twisters
    15th 20th 325th
    Transpose Sentence
    142nd
    Trinomial Triangle
    57th
    United States
    8th 156th
    Vampire Numbers
    6th 13th 227th
    Van Eck Sequence
    190th
    γ
    7th 57th
    λ
    12th
    π
    11th 221st
    τ
    10th 167th
    φ
    9th 236th
    √2
    10th 61st 512th
    𝑒
    13th 74th 331st