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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 Bytes Time Submitted
    Gray Code Encoder fuzzylojik-golf 20
    Quine CornerMercury 15
    Catalan Numbers CornerMercury 21
    Lucky Tickets fuzzylojik-golf 32
    Pernicious Numbers CornerMercury 17
    Niven Numbers (Long) CornerMercury 🥇 24
    Niven Numbers ndren 🥇 21
    Fibonacci ndren 15
    Gray Code Encoder CaedenHarper 19
    SI Units CaedenHarper 🥈 496
    Tower of Hanoi kmathis22 79
    Gijswijt’s Sequence emgordon154 🥉 50
    Ascending Primes CaedenHarper 52
    𝑒 Herbert00709 28
    Leap Years CaedenHarper 29
    𝑒 CaedenHarper 30
    Catalan Numbers CaedenHarper 22
    Emirp Numbers CaedenHarper 41
    Emirp Numbers (Long) CaedenHarper 42
    Niven Numbers (Long) CaedenHarper 28
    √2 CaedenHarper 29
    Pernicious Numbers Herbert00709 16
    CSS Colors CaedenHarper 722
    Sierpiński Triangle CaedenHarper 64
    Divisors CaedenHarper 27
    Fibonacci CaedenHarper 🥇 13
    Collatz CaedenHarper 28
    Transpose Sentence CornerMercury 🥇 15
    Number Spiral emgordon154 50
    Fizz Buzz h3ra993huskp 37
    π Natanaelel 37
    Pernicious Numbers (Long) GolfingSuccess 30
    Pernicious Numbers GolfingSuccess 🥇 15
    Intersection CaedenHarper 49
    Christmas Trees CaedenHarper 55
    Spelling Numbers CaedenHarper 335
    Kolakoski Sequence CaedenHarper 36
    ROT13 CaedenHarper 51
    Kolakoski Sequence blaztoma 47
    Minesweeper Steffan153 💎 51
    Pernicious Numbers (Long) CaedenHarper 31
    Collatz NickTheEASDude 44
    Tutorial Herbert00709 24
    Alphabetic Numbers HumanoidCPU 3,896
    Reverse Polish Notation NickTheEASDude 🥇 4
    Tower of Hanoi NickTheEASDude 🥇 29
    Continued Fractions MeWhenI 53
    Tower of Hanoi Herbert00709 🥇 29
    Tower of Hanoi plcc0 🥇 29
    Number Spiral blaztoma 65
    Catalan’s Constant emgordon154 71
    Odious Numbers (Long) CaedenHarper 20
    Odious Numbers CaedenHarper 19
    Evil Numbers (Long) CaedenHarper 20
    Evil Numbers CaedenHarper 19
    Tower of Hanoi CaedenHarper 32
    Intersection emgordon154 41
    Continued Fractions emgordon154 58
    12 Days of Christmas jelycocode 2,370
    Continued Fractions saito-ta 💎 49
    Prime Numbers JOrE20 18
    Collatz JOrE20 27
    π JOrE20 44
    Vampire Numbers JOrE20 934
    Polyominoes JOrE20 1,125
    ln 2 JOrE20 1,004
    Van Eck Sequence JOrE20 2,556
    Gray Code Decoder pardouin 18
    Tutorial Ultra814 30
    Pangram Grep JOrE20 23
    Ordinal Numbers Steffan153 🥉 32
    Tutorial janAkali 121
    Gray Code Encoder JOrE20 24
    Ordinal Numbers JOrE20 38
    Partition Numbers GolfingSuccess 34
    Look and Say NicoPlayZ9002-YT 1,284
    λ NicoPlayZ9002-YT 1,019
    Odious Numbers JOrE20 26
    Evil Numbers JOrE20 25
    Transpose Sentence JOrE20 🥇 15