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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
    Hilbert Curve blaztoma 💎 697
    Christmas Trees kasarino 559
    Rijndael S-box MostParsingVex 💎 114
    Musical Chords albanian-laundromat 💎 268
    Maze albanian-laundromat 💎 168
    Happy Numbers kasarino 202
    Continued Fractions kasarino 🥉 207
    Recamán albanian-laundromat 🥉 76
    Proximity Grid albanian-laundromat 💎 181
    Pernicious Numbers kasarino 204
    Abundant Numbers sean-niemann 🥉 71
    Reversi MostParsingVex 🥉 178
    CSS Colors kmathis22 3,924
    Mandelbrot albanian-laundromat 🥇 130
    Billiards albanian-laundromat 💎 213
    Repeating Decimals albanian-laundromat 💎 247
    Pernicious Numbers (Long) GrayJoKing 🥉 71
    Fizz Buzz kasarino 118
    Quine kasarino 92
    CSS Colors madex 4,078
    Pernicious Numbers GolfingSuccess 51
    Zodiac Signs albanian-laundromat 194
    Topological Sort albanian-laundromat 🦄 198
    Reversi albanian-laundromat 💎 169
    Alphabetic Numbers HumanoidCPU 5,896
    Prime Numbers snoozingnewt 72
    Pernicious Numbers snoozingnewt 🥇 49
    Niven Numbers snoozingnewt 🥈 56
    Continued Fractions albanian-laundromat 💎 157
    Continued Fractions MeWhenI 🥈 158
    Abundant Numbers (Long) snoozingnewt 91
    Rock-paper-scissors-Spock-lizard kasarino 666
    Partition Numbers JOrE20 110
    Tic-tac-toe kasarino 566
    99 Bottles of Beer kasarino 556
    Multitap Input albanian-laundromat 💎 145
    Farey Sequence albanian-laundromat 81
    Cubes albanian-laundromat 306
    Happy Numbers (Long) DialFrost 101
    Tutorial GolfingSuccess 69
    Abundant Numbers (Long) JOrE20 89
    CSS Colors aksyristos 4,165
    Sudoku JOrE20 🥉 936
    CSS Colors JOrE20 3,786
    ISBN JOrE20 365
    ln 2 JOrE20 1,004
    CSS Colors tomh1012 3,577
    Rijndael S-box JOrE20 391
    Zeckendorf Representation albanian-laundromat 🥈 124
    Vampire Numbers albanian-laundromat 🥉 246
    Arithmetic Numbers JOrE20 110
    Tutorial janAkali 176
    Gray Code Encoder JOrE20 70
    Pangram Grep tomh1012 131
    π albanian-laundromat 268
    N Queens kasarino 1,689
    Card Number Validation kasarino 373
    Partition Numbers sean-niemann 💎 83
    Emirp Numbers kasarino 243
    Rijndael S-box kasarino 602
    Foo Fizz Buzz Bar kasarino 180
    Odious Numbers kasarino 143
    Leap Years kasarino 71
    Niven Numbers (Long) kasarino 108
    Niven Numbers kasarino 189
    Multitap Input kasarino 🥉 522
    Prime Numbers (Long) kasarino 87
    Abundant Numbers kasarino 105
    Arrows dokutan 168
    Fibonacci bpharaldsson 136
    ISBN tomh1012 170
    Factorial Factorisation kasarino 236
    Tutorial FortuiteMan 176
    Intersection kasarino 444
    Kaprekar Numbers JOrE20 509
    Tutorial JOrE20 74
    Evil Numbers kasarino 108
    ASCII Table kasarino 200
    Divisors kasarino 108
    Prime Numbers kasarino 88