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    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
    12 Days of Christmas OutWrest 481
    Odious Numbers Arkadios200 75
    QR Decoder firegene 243
    Fizz Buzz Arkadios200 85
    Farey Sequence Arkadios200 117
    Collatz Arkadios200 76
    ASCII Table Arkadios200 203
    Gray Code Decoder sean-niemann 46
    ISBN Arkadios200 178
    PalindromemordnilaP MostParsingVex 🥉 156
    Card Number Validation ComradeSquirrel 119
    Number Spiral edsrzf 🥉 135
    brainfuck codingisgreatbutiamnot 289
    π MostParsingVex 87
    Card Number Validation ComradeSquirrel 264
    π MostParsingVex 87
    Number Spiral albanian-laundromat 257
    Number Spiral Steffan153 🥉 116
    Ascending Primes edsrzf 🥉 141
    Tower of Hanoi Steffan153 🥇 81
    12 Days of Christmas emgordon154 🥉 426
    Gijswijt’s Sequence IISResetMe 178
    Number Spiral fuzzylojik-golf 301
    Divisors gjoacorp 94
    Number Spiral rucin93 309
    Tower of Hanoi kg583 🥉 82
    Happy Numbers (Long) kg583 🥇 133
    Gray Code Encoder fuzzylojik-golf 76
    Seven Segment CaedenHarper 87
    Number Spiral msbranicky 318
    Gray Code Encoder fuzzylojik-golf 34
    Gray Code Decoder Steffan153 63
    Sierpiński Triangle LostSyntax21 126
    Happy Numbers (Long) kg583 🥇 79
    Gray Code Encoder fuzzylojik-golf 17
    United States CaedenHarper 417
    Spelling Numbers CaedenHarper 332
    SI Units CaedenHarper 🥈 492
    Gray Code Decoder elgan65536 117
    Repeating Decimals CaedenHarper 🥈 109
    Kolakoski Sequence CaedenHarper 35
    ISBN CaedenHarper 52
    Intersection CaedenHarper 48
    Day of Week CaedenHarper 109
    Cubes anter69 126
    Musical Chords madex 297
    Musical Chords madex 358
    Cubes anter69 114
    Cubes anter69 187
    Morse Decoder madex 268
    Morse Decoder madex 213
    Morse Decoder madex 226
    Morse Decoder madex 165
    Morse Decoder madex 205
    Mahjong madex 449
    Mahjong madex 555
    Kolakoski Constant darrenks 27
    Repeating Decimals madex 218
    Hilbert Curve bitsandbeyond 🥈 136
    Repeating Decimals madex 142
    Repeating Decimals madex 213
    Repeating Decimals madex 191
    Gray Code Encoder michelebastione 73
    Lucky Numbers edsrzf 97
    PalindromemordnilaP Maznek 85
    ISBN edsrzf 40
    Ascending Primes Googolplexo 146
    Lucky Numbers edsrzf 💎 126
    Levenshtein Distance plcc0 32
    Tower of Hanoi edsrzf 🥇 29
    Trinomial Triangle Googolplexo 76
    Ordinal Numbers Googolplexo 96
    Ordinal Numbers blaztoma 53
    Abundant Numbers (Long) elgan65536 98
    Gray Code Decoder emgordon154 63
    Christmas Trees Googolplexo 82
    Prime Numbers Googolplexo 61
    Foo Fizz Buzz Bar Googolplexo 104
    Pernicious Numbers Jacob385 143
    Taxicab Numbers Jacob385 4,190