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

    retrohun

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    122 / 122 Holes

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    61 / 62 Langs

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    86 / 95 Cheevos

    📅

    12 Days of Christmas
    11th13th5th21st 42nd100th152nd110th 15th 43rd28th19th20th28th19th 16th 71st25th 50th13th17th 123rd395th 30th21st 67th30th11th20th39th63rd135th13th1,007th18th20th 94th85th 5th24th49th14th 17th24th19th
    24 Game
    7th2nd 22nd 99th 2nd
    99 Bottles of Beer
    11th12th7th15th 37th110th147th76th 12th 26th17th20th25th23rd20th 15th 66th22nd 48th15th16th 130th482nd 31st13th 67th26th13th17th41st70th145th16th1,058th21st18th 91st74th 4th21st39th18th 15th22nd11th
    Abundant Numbers
    19th8th7th25th 20th34th143rd127th 27th 25th35th25th36th22nd25th 28th 78th37th 86th12th29th 139th342nd 54th49th 67th30th15th27th39th64th92nd16th252nd21st32nd 112th102nd 3rd18th38th11th 23rd12th22nd
    Abundant Numbers (Long)
    11th5th6th22nd 14th54th69th91st 16th 21st27th23rd35th17th19th 19th 44th31st 53rd 18th 75th166th 41st39th 49th25th13th17th27th41st37th12th533rd21st22nd 64th58th 2nd9th23rd11th 16th10th18th
    Arabic to Roman
    10th5th 3rd
    Arithmetic Numbers
    2nd 3rd
    Arrows
    4th 4th
    Ascending Primes
    2nd 27th 33rd 82nd 3rd7th
    ASCII Table
    8th15th3rd18th 36th48th62nd59th 22nd14th13th16th12th11th 15th 38th26th 18th11th14th 49th137th 18th20th 33rd21st11th12th18th29th42nd8th375th13th19th 51st39th 5th6th15th10th 11th6th12th
    Billiards
    2nd 88th
    brainfuck
    3rd3rd 51st 114th
    Card Number Validation
    4th 3rd
    Catalan Numbers
    22nd7th6th11th 11th22nd39th27th 14th 24th22nd21st23rd19th19th 8th 34th35th 43rd8th38th 44th109th 37th16th 15th13th8th9th24th12th39th15th1st8th24th 63rd15th 6th6th6th17th 15th5th9th
    Catalan’s Constant
    8th7th6th13th 15th13th22nd22nd 22nd11th17th16th9th16th 15th 18th20th 12th6th 34th61st 55th7th 22nd6th6th20th11th11th28th10th206th13th12th 26th12th 8th6th21st15th 7th4th9th
    Christmas Trees
    10th3rd4th16th 30th74th114th57th 21st27th19th21st8th16th 16th 39th24th 40th12th15th 71st289th 26th19th 52nd24th9th16th33rd58th81st10th167th14th25th 91st55th 7th12th27th12th 16th8th16th
    Collatz
    19th16th6th24th 14th90th111th142nd 17th 25th22nd27th36th19th21st 19th 51st41st 66th11th23rd 106th268th 44th40th 62nd26th17th18th29th55th55th20th239th24th22nd 74th92nd 8th6th33rd17th 20th10th26th
    CSS Colors
    6th16th 5th
    Cubes
    5th6th6th13th 23rd47th43rd26th 16th13th11th13th9th10th 12th 26th15th 17th8th11th 41st109th 15th11th 23rd15th4th12th14th15th39th6th350th9th13th 40th26th 17th10th9th7th 11th7th9th
    Day of Week
    1st5th 116th 3rd
    DFA Simulator
    2nd
    Diamonds
    9th14th3rd16th 40th87th69th51st 18th64th14th20th9th11th 16th 31st28th 38th10th20th 54th170th 30th19th 42nd21st7th15th22nd36th53rd10th566th10th25th 86th35th 5th10th17th11th 15th9th8th
    Divisors
    25th14th5th25th 15th52nd159th58th 20th 40th39th26th34th24th30th 20th 87th38th 124th16th60th 166th597th 56th40th 114th36th16th31st55th132nd101st18th117th24th18th 170th116th 5th18th50th21st 25th13th28th
    Emirp Numbers
    15th15th6th15th 28th62nd49th37th 32nd 19th20th18th22nd13th15th 17th 41st22nd 59th12th31st 49th226th 24th30th 33rd19th6th17th31st36th51st14th196th15th24th 118th27th 3rd8th14th11th 17th6th13th
    Emirp Numbers (Long)
    8th12th7th15th 16th51st40th35th 12th 19th16th15th20th10th10th 13th 25th19th 26th8th18th 35th96th 17th25th 23rd15th7th14th15th23rd22nd8th241st13th17th 46th29th 5th6th13th9th 11th5th12th
    Emojify
    6th 5th
    Evil Numbers
    25th5th6th22nd19th30th58th128th50th27th31st34th55th44th41st18th34th26th18th30th21st27th15th78th39th14th83rd15th62nd21st70th422nd20th51st57th23rd52nd31st21st32nd13th85th81st32nd267th22nd18th12th173rd99th42nd1st8th47th18th18th29th11th21st15th
    Evil Numbers (Long)
    13th7th6th22nd 13th26th78th78th 15th 33rd32nd25th31st13th19th 19th 44th41st 43rd10th38th 64th161st 31st50th 39th25th15th26th28th42nd46th21st160th19th15th 62nd63rd 4th10th25th19th 18th10th18th
    Factorial Factorisation
    6th2nd 15th 3rd
    Farey Sequence
    4th
    Fibonacci
    89th13th6th62nd53rd39th100th316th149th31st33rd43rd64th84th79th78th75th40th73rd38th45th71st 209th80th 204th10th63rd41st83rd212th26th120th59th46th215th89th40th25th40th223rd181st44th183rd64th24th35th265th249th40th5th65th106th23rd33rd72nd43rd55th28th
    Fizz Buzz
    124th29th1st8th46th11th32nd554th57th 38th 55th79th76th75th66th99th 48th79th 279th74th 61st76th61st 592nd1st 38th53rd 47th106th55th15th9th1st365th49th207th68th19th 135th359th 8th94th175th49th 39th45th56th
    Foo Fizz Buzz Bar
    11th28th4th24th 79th125th97th 16th 24th23rd29th26th15th17th 16th 61st34th 48th9th18th 143rd313th 38th29th 50th24th14th16th41st73rd88th20th857th26th30th 62nd58th 5th24th23rd17th 20th11th21st
    Forsyth–Edwards Notation
    4th3rd 2nd
    Fractions
    12th4th 347th
    Game of Life
    3rd 13th 35th 73rd 3rd
    Gijswijt’s Sequence
    6th 6th
    Happy Numbers
    16th24th5th18th 31st64th58th45th 33rd 23rd25th20th23rd14th21st 18th 74th36th 65th10th32nd 55th213th 28th40th 38th21st10th17th34th31st59th15th326th16th29th 84th35th 3rd9th22nd14th 21st6th17th
    Happy Numbers (Long)
    8th21st5th21st 21st70th41st38th 14th 21st23rd21st21st12th12th 16th 41st35th 40th9th25th 40th115th 23rd39th 31st19th9th16th28th23rd31st11th370th17th19th 59th31st 3rd6th16th14th 15th7th20th
    Hexdump
    3rd 33rd
    Hilbert Curve
    5th 4th
    Intersection
    6th
    Inventory Sequence
    8th21st11th16th 22nd44th33rd42nd 12th 19th20th17th18th8th13th 11th 22nd18th 20th 13th 30th85th 16th22nd 24th20th10th14th23rd21st26th8th230th13th13th 40th22nd 3rd6th9th12th 14th7th14th
    ISBN
    11th5th23rd 28th 23rd 10th 17th 220th 5th
    Jacobi Symbol
    4th4th 67th
    Kaprekar Numbers
    4th 65th 3rd
    Kolakoski Constant
    8th6th6th15th 28th23rd18th22nd 22nd11th16th16th9th19th 21st 20th20th 14th6th 33rd61st 14th7th 13th6th6th18th13th13th33rd8th141st12th13th 35th12th 7th7th22nd9th 7th4th10th
    Kolakoski Sequence
    18th13th11th12th 34th56th34th36th 19th22nd18th17th7th16th 16th 32nd20th 37th10th 39th121st 21st30th 24th12th8th16th27th21st30th10th310th12th13th 50th32nd 9th9th12th10th 13th9th18th
    Leap Years
    24th3rd5th25th 31st57th154th72nd 23rd 36th41st33rd35th25th38th 37th 82nd34th 93rd6th29th 168th472nd 47th35th 94th49th19th9th10th126th137th23rd315th27th9th 114th103rd 3rd33rd49th23rd 30th16th27th
    Levenshtein Distance
    6th3rd 115th 8th 14th
    Leyland Numbers
    7th6th5th12th 27th27th42nd29th 11th 18th13th15th14th11th12th 11th 24th24th 39th8th26th 38th122nd 23rd15th 27th12th8th10th17th22nd37th10th366th12th15th 50th27th 6th15th11th10th 17th7th14th
    ln 2
    5th6th 226th 5th
    Look and Say
    9th11th4th15th10th30th36th41st36th15th15th15th 19th25th17th13th13th12th15th 12th 29th25th 32nd7th 41st149th13th19th29th 33rd19th10th15th41st34th31st10th116th14th20th 64th22nd 2nd7th8th10th 15th8th11th
    Lucky Numbers
    7th10th5th14th 20th40th28th26th 15th 19th14th16th14th9th10th 11th 65th23rd 29th8th12th 26th85th 12th19th 19th16th7th12th17th15th25th6th241st15th10th 29th21st 2nd6th10th9th 13th6th9th
    Lucky Tickets
    5th 2nd
    Mahjong
    2nd
    Mandelbrot
    2nd 2nd
    Maze
    4th 6th 1st
    Medal Tally
    2nd 4th
    Minesweeper
    3rd
    Morse Decoder
    6th 7th
    Morse Encoder
    5th8th
    Musical Chords
    4th 26th37th11th 15th
    N Queens
    5th 94th 6th
    Niven Numbers
    22nd11th5th27th27th31st79th109th47th29th25th33rd54th27th38th33rd39th24th30th26th24th27th 62nd44th 86th11th40th33rd102nd350th22nd52nd49th 70th38th21st33rd24th70th77th20th39th23rd1st14th121st67th 3rd20th41st22nd16th31st14th28th
    Niven Numbers (Long)
    9th19th5th23rd 13th38th62nd66th 16th 21st27th23rd27th18th22nd 17th 40th39th 36th7th22nd 58th144th 32nd43rd 46th28th15th25th29th39th43rd18th465th21st29th 66th40th 6th14th26th19th 19th9th22nd
    Number Spiral
    6th9th6th13th 30th50th33rd28th 20th10th20th17th10th12th 9th 23rd19th 14th8th30th 31st84th 9th31st 19th16th5th8th13th17th23rd7th189th11th12th 33rd15th 3rd5th7th7th 13th6th9th
    Odious Numbers
    22nd17th6th25th 30th50th94th47th 32nd 42nd38th30th32nd16th28th24th 26th 66th43rd 72nd14th55th25th96th325th 43rd55th 52nd32nd13th33rd15th75th77th22nd151st24th18th 128th77th 1st9th39th16th 27th10th20th
    Odious Numbers (Long)
    11th15th5th22nd 19th58th66th50th 15th 33rd29th23rd30th13th18th 18th 41st40th 38th8th35th 59th134th 30th50th 43rd25th13th25th28th38th43rd21st107th21st15th 55th48th 5th10th25th18th 18th9th18th
    Ordinal Numbers
    10th3rd 1st
    PalindromemordnilaP
    2nd 40th 4th
    Pangram Grep
    4th2nd 38th 20th 65th 232nd 47th 28th 551st 19th 1st30th41st
    Partition Numbers
    6th 5th
    Pascal’s Triangle
    9th13th4th18th 32nd76th62nd40th 15th 27th21st17th20th13th18th 13th 44th27th 64th12th61st 52nd221st 33rd39th 47th21st14th81st42nd49th47th13th86th21st20th 93rd51st 10th12th25th12th 19th9th17th
    Pernicious Numbers
    15th23rd19th27th 31st65th67th55th 31st 32nd38th29th33rd22nd28th 24th 54th37th 51st10th51st 63rd186th 37th41st 48th36th17th33rd41st48th61st20th92nd21st32nd 110th60th 4th13th36th21st 28th9th26th
    Pernicious Numbers (Long)
    7th15th4th16th 14th31st38th29th 11th 21st23rd21st20th13th14th 14th 27th21st 21st 36th 44th82nd 22nd34th 23rd22nd12th20th14th23rd26th13th115th14th16th 49th31st 2nd8th17th11th 14th6th11th
    Poker
    5th4th5th
    Polyominoes
    3rd
    Prime Numbers
    29th16th5th29th 28th33rd118th51st 33rd 23rd31st27th36th16th31st 18th 76th20th 115th13th1st 139th432nd 58th55th 96th39th12th9th28th71st89th25th130th26th19th 62nd87th 1st6th47th12th 29th11th25th
    Prime Numbers (Long)
    17th23rd5th25th 17th55th81st47th 16th 20th30th27th32nd15th21st 20th 48th5th 61st11th1st 40th187th 39th49th 49th28th15th19th11th46th37th21st50th25th24th 84th68th 2nd12th31st13th 20th10th26th
    Proximity Grid
    3rd
    QR Decoder
    5th 95th
    Quine
    1st6th1st 137th67th 106th 93rd 48th25th 1st 32nd12th5th 284th 84th 1st22nd1st25th1st36th 72nd4th13th 82nd15th 26th1st 25th 15th
    Recamán
    12th14th8th14th 15th63rd47th47th 15th 23rd20th15th16th10th12th 13th 30th19th 31st9th22nd 42nd135th 21st22nd 34th20th9th17th21st25th36th12th420th15th16th 51st36th 4th6th12th10th 18th9th17th
    Repeating Decimals
    5th 107th
    Reverse Polish Notation
    8th5th
    Reversi
    2nd 7th
    Rijndael S-box
    4th 55th 2nd
    Rock-paper-scissors-Spock-lizard
    8th 29th
    Roman to Arabic
    10th8th 31st 13th 3rd 13th
    ROT13
    2nd 4th
    Rule 110
    5th4th4th12th 20th39th38th21st 19th21st16th11th5th14th 26th18th 27th8th16th 35th109th 18th22nd 30th16th9th11th14th16th32nd10th66th10th13th 47th27th 6th9th9th11th 8th10th
    Scrambled Sort
    2nd 10th 129th
    Set
    2nd
    Seven Segment
    4th
    SI Units
    3rd 9th 5th
    Sierpiński Triangle
    7th12th5th16th 19th47th39th23rd 20th21st18th17th10th17th 12th 33rd18th 32nd9th21st 41st135th 25th15th 35th22nd9th14th28th24th43rd9th329th13th13th 47th33rd 16th11th16th10th 17th7th15th
    Smith Numbers
    8th9th6th15th 26th39th34th31st 12th 15th14th14th16th6th10th 10th 21st15th 21st8th18th 33rd73rd 15th16th 16th17th9th13th14th15th18th10th113th11th11th 45th21st 8th5th11th9th 12th6th11th
    Spelling Numbers
    5th 109th 4th
    Star Wars GPT
    2nd 83rd
    Star Wars Opening Crawl
    5th
    Sudoku
    3rd 64th
    Sudoku (Fill-in)
    2nd 71st
    Ten-pin Bowling
    4th 12th
    Tic-tac-toe
    3rd 73rd 12th
    Time Distance
    5th
    Tongue-twisters
    11th9th8th13th 36th49th53rd40th 18th 22nd20th17th16th14th15th 13th 34th18th 18th11th14th 49th188th 18th12th 36th19th9th14th25th25th53rd9th375th13th21st 51st29th 10th22nd13th12th 18th7th12th
    Topological Sort
    🦄 6th
    Transpose Sentence
    2nd 101st 5th
    Trinomial Triangle
    2nd
    United States
    6th 24th 7th
    Vampire Numbers
    11th7th3rd13th 26th38th37th27th 19th 15th14th11th10th6th10th 10th 27th14th 18th9th16th 34th80th 12th10th 22nd16th5th9th9th8th25th10th232nd9th7th 44th18th 6th6th8th7th 12th5th8th
    Van Eck Sequence
    8th14th10th15th 24th51st41st39th 15th 18th16th17th18th7th12th 11th 27th23rd 22nd8th26th 35th105th 18th26th 24th19th9th15th 22nd26th10th 14th14th 46th28th 8th8th13th10th 15th9th17th
    Zeckendorf Representation
    4th 87th
    Zodiac Signs
    5th3rd 12th 81st
    γ
    4th 4th
    λ
    12th4th5th18th 48th35th24th25th 9th 32nd11th18th19th8th25th 25th 32nd24th 15th10th 39th99th 18th8th 17th12th7th27th11th16th44th9th150th14th14th 32nd18th 7th12th30th9th6th9th6th11th
    π
    14th9th7th9th 64th62nd48th33rd 39th14th23rd22nd11th28th 30th 47th35th 32nd11th 82nd213th 89th9th 20th11th6th22nd51st19th66th11th468th17th21st 80th20th 6th14th14th10th7th9th6th9th
    τ
    12th6th6th7th 45th31st29th25th 33rd12th20th18th11th22nd 19th 37th25th 19th10th 51st112th 77th9th 15th8th6th19th40th15th43rd10th276th14th22nd 54th15th 6th9th8th10th6th9th6th9th
    φ
    13th7th5th7th 42nd27th28th23rd 42nd14th22nd21st11th22nd 21st 45th33rd 30th9th 47th94th 73rd8th 23rd7th6th19th38th17th40th14th351st13th25th 62nd17th 6th9th10th11th6th11th6th10th
    √2
    20th5th8th16th 42nd31st36th25th 35th14th23rd23rd11th27th 22nd 52nd28th 50th9th 70th106th 61st7th 14th7th6th20th37th13th46th14th510th7th19th 60th16th 6th10th34th11th6th13th6th9th16th
    𝑒
    14th12th10th8th 55th52nd35th36th 36th14th27th23rd13th25th 26th 42nd30th 33rd12th 52nd113th 74th12th 38th11th5th27th40th53rd48th13th398th33rd15th 88th24th 6th8th12th11th6th11th7th12th20th