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

    lyphyser

    112,075
    15,962
    🦄1
    💎76
    🥇104
    🥈28
    🥉8

    123 / 123 Holes

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    62 / 62 Langs

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    62 / 99 Cheevos

    📅

    12 Days of Christmas
    23rd 968th
    24 Game
    23rd 166th 158th 137th
    99 Bottles of Beer
    37th
    Abundant Numbers
    219th
    Abundant Numbers (Long)
    598th
    Arabic to Roman
    222nd
    Arithmetic Numbers
    69th
    Arrows
    138th
    Ascending Primes
    242nd
    ASCII Table
    27th
    Billiards
    17th
    brainfuck
    7th
    Card Number Validation
    102nd
    Catalan Numbers
    743rd
    Catalan’s Constant
    84th 236th 241st
    Christmas Trees
    36th
    Collatz
    107th 1,103rd
    CSS Colors
    231st
    Cubes
    151st 1,032nd
    Day of Week
    777th 1,402nd 1,158th
    DFA Simulator
    17th 163rd 143rd 193rd
    Diamonds
    74th
    Divisors
    800th
    Emirp Numbers
    534th
    Emirp Numbers (Long)
    202nd
    Emojify
    27th
    Evil Numbers
    427th
    Evil Numbers (Long)
    450th
    Factorial Factorisation
    125th
    Farey Sequence
    189th
    Fibonacci
    1,099th 1st 9,343rd 1,981st 6,939th 723rd
    Fizz Buzz
    4,995th1,660th3,438th2,700th8,442nd4,060th10,566th3,700th5,271st4,257th4,201st5,855th11,167th2,633rd3,920th10,716th2,999th3,981st10,189th9,944th7,808th10,005th3,257th12,322nd6,129th5,562nd1,271st5,712th5,100th7,051st7,887th9,318th7,170th133rd10,086th4,746th4,920th8,499th3,302nd5,081st8,622nd8,783rd6,638th4,643rd6,598th11,502nd769th1,662nd3,853rd10,340th532nd5,200th9,409th11,582nd6,649th4,156th2,597th10,364th10,160th11,277th3,953rd10,690th
    Foo Fizz Buzz Bar
    486th
    Forsyth–Edwards Notation
    26th
    Fractions
    416th
    Game of Life
    27th
    Gijswijt’s Sequence
    115th 427th 312th
    Happy Numbers
    257th
    Happy Numbers (Long)
    145th 819th
    Hexdump
    66th
    Hilbert Curve
    4th
    Intersection
    143rd
    Inventory Sequence
    282nd
    ISBN
    272nd
    Jacobi Symbol
    56th 698th
    Kaprekar Numbers
    18th
    Kolakoski Constant
    22nd
    Kolakoski Sequence
    61st
    Leap Years
    581st
    Levenshtein Distance
    312th 965th
    Leyland Numbers
    237th
    ln 2
    209th
    Look and Say
    129th
    Lucky Numbers
    324th 946th
    Lucky Tickets
    146th 669th
    Mahjong
    5th
    Mandelbrot
    25th 553rd 416th
    Maze
    3rd 528th
    Medal Tally
    45th 282nd
    Minesweeper
    16th
    Morse Decoder
    16th
    Morse Encoder
    4th
    Musical Chords
    64th
    N Queens
    21st
    Niven Numbers
    1,210th
    Niven Numbers (Long)
    736th
    Number Spiral
    38th
    Odious Numbers
    287th
    Odious Numbers (Long)
    315th
    Ordinal Numbers
    221st
    PalindromemordnilaP
    217th
    Pangram Grep
    131st 88th
    Partition Numbers
    97th
    Pascal’s Triangle
    410th
    Pernicious Numbers
    1,175th
    Pernicious Numbers (Long)
    152nd
    Poker
    11th
    Polyominoes
    10th
    Prime Numbers
    1,294th
    Prime Numbers (Long)
    804th
    Proximity Grid
    25th
    QR Decoder
    4th
    Quine
    1,821st 4,304th 2,511th 552nd 3,352nd
    Recamán
    96th
    Repeating Decimals
    101st
    Reverse Polish Notation
    279th
    Reversi
    33rd
    Rijndael S-box
    💎 266th
    Rock-paper-scissors-Spock-lizard
    90th 672nd
    Roman to Arabic
    246th
    ROT13
    305th
    Rule 110
    81st
    Scrambled Sort
    251st
    Set
    116th
    Seven Segment
    24th
    SI Units
    11th
    Sierpiński Triangle
    133rd 1,323rd
    Smith Numbers
    20th 1,172nd
    Spelling Numbers
    235th
    Star Wars GPT
    83rd
    Star Wars Opening Crawl
    16th
    Sudoku
    27th 510th
    Sudoku (Fill-in)
    27th 428th
    Ten-pin Bowling
    149th
    Tic-tac-toe
    33rd
    Time Distance
    91st 649th
    Tongue-twisters
    💎
    Topological Sort
    19th
    Tower of Hanoi
    243rd
    Transpose Sentence
    199th
    Trinomial Triangle
    64th
    United States
    39th
    Vampire Numbers
    48th 870th
    Van Eck Sequence
    157th
    Zeckendorf Representation
    283rd
    Zodiac Signs
    28th
    γ
    96th 1,370th
    λ
    39th 2,354th 1,726th
    π
    136th
    τ
    126th
    φ
    292nd
    √2
    331st 1,547th 615th
    𝑒
    275th 619th 2,182nd