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

    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Recent Solutions

    Hole Golfer Chars Time Submitted
    Gray Code Encoder edsrzf 110
    Gray Code Encoder Steffan153 110
    Morse Encoder Steffan153 💎 200
    ROT13 Steffan153 🥈 114
    Gray Code Decoder edsrzf 96
    Ascending Primes edsrzf 135
    Inventory Sequence edsrzf 124
    Leap Years Steffan153 🥇 60
    Abundant Numbers sean-niemann 🥉 87
    Transpose Sentence cefqrn 464
    Transpose Sentence LostSyntax21 165
    Transpose Sentence Jacob385 443
    Transpose Sentence jared-hughes 403
    Transpose Sentence KasperKivimaeki 221
    Transpose Sentence AstroOrbis 390
    Mandelbrot albanian-laundromat 🥉 237
    Number Spiral Steffan153 🥈 129
    Transpose Sentence snoozingnewt 161
    Transpose Sentence KatieLG 1,124
    Billiards albanian-laundromat 🥉 303
    Transpose Sentence error256 146
    Collatz madeforlosers 134
    Zodiac Signs madex 341
    Tower of Hanoi AidanWalter 191
    Transpose Sentence AidanWalter 593
    Abundant Numbers Steffan153 🥇 78
    Transpose Sentence Chinay-Domitrix 247
    Transpose Sentence zakariamouhid 229
    Transpose Sentence scpchicken 233
    Pernicious Numbers (Long) GrayJoKing 🥇 86
    Transpose Sentence FortuiteMan 999
    Transpose Sentence kmathis22 344
    Transpose Sentence albanian-laundromat 208
    Transpose Sentence pardouin 138
    Transpose Sentence BREMAUCY 297
    Transpose Sentence madex 244
    Transpose Sentence bitsandbeyond 400
    Transpose Sentence blaztoma 707
    Transpose Sentence janAkali 199
    Transpose Sentence CaedenHarper 234
    PalindromemordnilaP edsrzf 💎 134
    Vampire Numbers edsrzf 🥈 235
    Topological Sort albanian-laundromat 265
    Intersection Steffan153 🥇 152
    Intersection edsrzf 🥇 152
    Alphabetic Numbers HumanoidCPU 3,908
    Reverse Polish Notation Steffan153 🥈 190
    Tower of Hanoi plcc0 91
    Ordinal Numbers Steffan153 🥉 128
    Tower of Hanoi Steffan153 💎 82
    Ten-pin Bowling albanian-laundromat 542
    Continued Fractions Steffan153 💎 133
    Continued Fractions edsrzf 🥈 137
    Ten-pin Bowling emgordon154 1,692
    Continued Fractions albanian-laundromat 🥉 250
    Ten-pin Bowling jared-hughes 922
    Ten-pin Bowling snoozingnewt 1,280
    Ten-pin Bowling janAkali 539
    Ten-pin Bowling Andriamanitra 717
    Niven Numbers dokutan 🥇 63
    Tower of Hanoi pardouin 87
    Ten-pin Bowling pardouin 💎 279
    Ten-pin Bowling edsrzf 🥉 295
    Ten-pin Bowling kmathis22 1,717
    24 Game dokutan 4,658
    United States dokutan 987
    Spelling Numbers dokutan 14,118
    ROT13 dokutan 934
    Rock-paper-scissors-Spock-lizard dokutan 694
    Multitap Input dokutan 🥉 505
    Morse Encoder dokutan 847
    Lucky Tickets dokutan 3,449
    Emojify dokutan 514
    CSS Colors dokutan 3,303
    Morse Decoder dokutan 709
    Leyland Numbers dokutan 899
    Hilbert Curve dokutan 🥈 783
    Catalan Numbers dokutan 2,509
    Smith Numbers dokutan 1,720
    Vampire Numbers dokutan 1,084