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

    jacekwladzinski

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    82 / 123 Holes

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    12 Days of Christmas
    370th
    99 Bottles of Beer
    338th
    Abundant Numbers
    54th 274th
    Abundant Numbers (Long)
    39th 233rd
    Arabic to Roman
    140th
    Arithmetic Numbers
    191st
    Arrows
    154th
    Ascending Primes
    142nd
    ASCII Table
    423rd
    brainfuck
    252nd
    Catalan Numbers
    168th
    Catalan’s Constant
    122nd
    Christmas Trees
    452nd
    Collatz
    510th
    CSS Colors
    201st
    Day of Week
    153rd
    Diamonds
    182nd
    Divisors
    180th100th80th 78th118th 1st 1st 13th
    Emirp Numbers
    281st
    Emirp Numbers (Long)
    138th
    Emojify
    167th
    Evil Numbers
    52nd 135th 47th
    Evil Numbers (Long)
    29th 38th 18th
    Factorial Factorisation
    131st
    Farey Sequence
    96th
    Fibonacci
    62nd80th366th205th178th31st30th152nd150th186th517th94th78th38th1st35th63rd138th24th57th27th
    Fizz Buzz
    683rd 26th
    Foo Fizz Buzz Bar
    285th
    Fractions
    393rd
    Game of Life
    133rd
    Gijswijt’s Sequence
    94th
    Happy Numbers
    324th
    Happy Numbers (Long)
    190th
    Intersection
    138th
    Inventory Sequence
    139th
    ISBN
    222nd
    Kolakoski Constant
    93rd
    Kolakoski Sequence
    137th
    Leap Years
    425th
    Levenshtein Distance
    159th
    Leyland Numbers
    227th
    ln 2
    182nd
    Look and Say
    63rd
    Lucky Numbers
    151st
    Lucky Tickets
    58th
    Mandelbrot
    40th
    Minesweeper
    64th
    N Queens
    42nd
    Niven Numbers
    404th 16th
    Niven Numbers (Long)
    221st 8th
    Number Spiral
    136th
    Odious Numbers
    255th 21st
    Odious Numbers (Long)
    201st 16th
    Ordinal Numbers
    157th
    PalindromemordnilaP
    107th
    Pangram Grep
    472nd
    Partition Numbers
    61st
    Pascal’s Triangle
    126th
    Pernicious Numbers
    145th
    Polyominoes
    82nd
    Prime Numbers
    353rd
    Prime Numbers (Long)
    285th
    Quine
    72nd
    Recamán
    257th
    Reverse Polish Notation
    134th
    Rijndael S-box
    114th
    ROT13
    144th
    Scrambled Sort
    59th
    Smith Numbers
    147th
    Topological Sort
    62nd
    Transpose Sentence
    105th
    Trinomial Triangle
    67th
    United States
    306th
    Vampire Numbers
    131st
    Van Eck Sequence
    53rd
    Zeckendorf Representation
    115th
    Zodiac Signs
    77th
    γ
    51st
    π
    365th
    φ
    257th
    √2
    383rd
    𝑒
    152nd