Ctrl+P again to print, arrows/tab to navigate results, enter to confirm

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

    btnlq

    105,025
    105,332
    💎66
    🥇510
    🥈132
    🥉119

    111 / 122 Holes

    🔣

    43 / 62 Langs

    🏆

    88 / 95 Cheevos

    📅

    10 Holes Authored

    12 Days of Christmas
    74th 51st
    24 Game
    99 Bottles of Beer
    72nd
    Abundant Numbers
    312th 80th 86th 324th 582nd235th313th 317th965th 493rd
    Abundant Numbers (Long)
    398th 115th285th 417th 89th
    Arabic to Roman
    468th156th
    Arithmetic Numbers
    163rd 28th
    Arrows
    35th 24th 14th
    Ascending Primes
    88th
    ASCII Table
    52nd 81st 24th155th68th
    Billiards
    8th
    brainfuck
    93rd 2nd
    Card Number Validation
    4th
    Catalan Numbers
    662nd329th521st 246th 189th350th42nd
    Catalan’s Constant
    57th61st
    Christmas Trees
    176th 98th199th295th
    Collatz
    281st 145th 691st 172nd 448th 420th
    CSS Colors
    201st 37th 101st
    Cubes
    124th 82nd
    Day of Week
    212th 378th 1st 60th
    DFA Simulator
    10th
    Diamonds
    441st 142nd 62nd 46th113th35th
    Divisors
    1,812th 466th 689th 929th980th 488th880th 684th 889th532nd 663rd1,217th28th 578th 1,485th 857th
    Emirp Numbers
    112th 92nd 265th 270th 79th234th9th 315th581st
    Emirp Numbers (Long)
    56th 296th 34th
    Emojify
    3rd 148th
    Evil Numbers
    649th 347th 1,093rd 453rd 1,241st 1,708th595th44th 805th2,460th 894th
    Evil Numbers (Long)
    583rd 352nd 259th 740th 632nd 605th527th 449th40th
    Factorial Factorisation
    45th 39th
    Farey Sequence
    228th 5th
    Fibonacci
    2,035th2,169th2,217th2,696th 731st441st629th3,295th392nd1,880th1,121st2,712th1,059th1,068th1,097th818th409th2,790th482nd211th1,993rd502nd2,083rd516th2,483rd2,141st1,944th3,285th3,192nd371st1,844th45th1,955th1,938th1,146th1,010th 2,440th2,043rd2,069th1,036th1,876th
    Fizz Buzz
    1,321st 3,327th 4,169th3,237th 3,701st 700th 3,131st 25th3,226th60th 5,008th 1,981st
    Foo Fizz Buzz Bar
    413th 843rd 734th 732nd606th 353rd 921st 255th661st11th 511th
    Forsyth–Edwards Notation
    142nd 87th 54th
    Fractions
    207th 461st 513th 339th 237th419th88th 370th
    Game of Life
    69th 22nd
    Gijswijt’s Sequence
    129th 115th 22nd
    Happy Numbers
    440th 193rd 794th 153rd299th 288th 383rd246th 223rd308th30th 456th1,137th 389th
    Happy Numbers (Long)
    208th 132nd 364th 106th281st 145th 566th 371st247th77th 212th
    Hexdump
    149th 17th
    Intersection
    56th 100th 101st 63rd469th28th
    Inventory Sequence
    279th 64th 34th
    ISBN
    43rd 290th498th157th
    Jacobi Symbol
    108th
    Kolakoski Constant
    37th 174th
    Kolakoski Sequence
    485th 202nd
    Leap Years
    145th 194th 19th 134th 1,500th
    Levenshtein Distance
    118th 415th336th46th
    Leyland Numbers
    339th 191st 263rd326th 174th 190th 211th307th23rd 624th 238th
    ln 2
    282nd228th 225th 27th
    Look and Say
    238th 148th 65th318th79th
    Lucky Numbers
    36th
    Lucky Tickets
    181st 136th 54th141st 102nd171st11th
    Maze
    Medal Tally
    21st 6th
    Morse Decoder
    37th
    Morse Encoder
    107th84th16th
    Musical Chords
    142nd
    N Queens
    47th 8th
    Niven Numbers
    617th 402nd 378th626th 794th354th 524th928th47th 1,301st2,260th 834th
    Niven Numbers (Long)
    283rd 240th 297th331st 278th 449th1,057th 56th 1,208th
    Number Spiral
    127th164th
    Odious Numbers
    345th 217th 922nd 864th 340th 1,118th 1,651st485th42nd 664th2,257th 535th
    Odious Numbers (Long)
    1,093rd 321st 200th 635th 443rd 565th463rd 372nd40th
    Ordinal Numbers
    132nd 361st 221st 147th389th191st 119th3rd
    PalindromemordnilaP
    114th 12th
    Pangram Grep
    676th 266th 381st 354th 491st717th31st 195th1,600th 489th
    Pascal’s Triangle
    653rd 222nd 398th 501st290th 478th439th49th 950th 450th
    Pernicious Numbers
    614th 402nd 909th 1,188th939th 854th 799th 130th779th37th 1,124th1,684th 634th
    Pernicious Numbers (Long)
    291st 214th 276th180th 33rd
    Poker
    63rd
    Polyominoes
    23rd
    Prime Numbers
    910th 644th 913th2,108th 327th626th 617th 799th367th 307th600th113th 841st1,802nd 721st
    Prime Numbers (Long)
    722nd 370th 484th 985th 903rd653rd 1,101st 640th507th 818th608th102nd 582nd
    Proximity Grid
    33rd
    QR Decoder
    25th 31st
    Quine
    1,771st159th
    Recamán
    137th 132nd 291st 172nd294th70th 159th
    Repeating Decimals
    20th
    Reverse Polish Notation
    273rd 101st 314th 145th 445th54th 258th
    Rijndael S-box
    4th 12th
    Rock-paper-scissors-Spock-lizard
    20th 23rd
    Roman to Arabic
    220th 191st329th79th
    ROT13
    8th
    Rule 110
    210th212th64th
    Scrambled Sort
    28th
    Set
    44th
    Seven Segment
    22nd23rd 52nd 179th 9th
    SI Units
    4th
    Sierpiński Triangle
    147th 123rd121st180th
    Smith Numbers
    158th 22nd 349th134th16th
    Spelling Numbers
    169th
    Star Wars GPT
    Star Wars Opening Crawl
    45th
    Sudoku
    33rd
    Sudoku (Fill-in)
    49th17th
    Ten-pin Bowling
    55th 61st
    Tic-tac-toe
    80th
    Time Distance
    33rd
    Tongue-twisters
    230th61st83rd
    Transpose Sentence
    134th 36th
    Trinomial Triangle
    11th
    United States
    191st
    Vampire Numbers
    169th 35th 386th116th52nd 79th
    Van Eck Sequence
    127th 142nd 265th161st13th 185th
    Zeckendorf Representation
    12th
    Zodiac Signs
    36th
    γ
    88th 66th
    λ
    528th 135th 76th 147th338th
    π
    1,695th 256th 149th141st93rd 1,369th
    τ
    128th99th
    φ
    323rd 181st260th38th
    √2
    446th 396th 262nd288th40th
    𝑒
    585th 437th 462nd 468th 353rd280th65th 371st