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

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Alphabetic Numbers CaedenHarper 3,902
    Factorial Factorisation Natanaelel 116
    Reverse Polish Notation oaiqjuy 145
    Star Wars GPT oaiqjuy 254
    Leap Years JayXon 🥇 40
    Leap Years Steffan153 🥇 40
    Prime Numbers (Long) scpchicken 🥇 19
    Prime Numbers scpchicken 🥇 17
    Tongue-twisters prestosilver 529
    Gray Code Encoder Kacarott 🥇 54
    Alphabetic Numbers LostSyntax21 💎 1,000
    Ulam Sequence HumanoidCPU 1,100
    Alphabetic Numbers KatieLG 🥉 3,076
    Alphabetic Numbers dokutan 🥈 2,130
    Ulam Sequence Shanethegamer 1,097
    Leap Years Lydxn 🥉 42
    Tutorial Matter1024 66
    Fibonacci Matter1024 29
    Abundant Numbers GolfingSuccess 78
    99 Bottles of Beer madeforlosers 11,892
    24 Game madeforlosers 12,439
    Taxicab Numbers dokutan 💎 2,605
    Nim Shanethegamer 117
    Taxicab Numbers CaedenHarper 4,167
    Dragon Curve dokutan 1,173
    Kolakoski Sequence madeforlosers 2,007
    Trinomial Triangle HumanoidCPU 2,073
    Tower of Hanoi HumanoidCPU 3,583
    Taxicab Numbers HumanoidCPU 🥉 4,166
    Sphenic Numbers HumanoidCPU 8,866
    Semiprime Numbers HumanoidCPU 12,795
    Odd Polyomino Tiling HumanoidCPU 21,437
    Hexagonal Spiral HumanoidCPU 1,341
    Apéry’s Constant HumanoidCPU 1,009
    Alphabetic Numbers HumanoidCPU 3,901
    Dragon Curve HumanoidCPU 10,279
    Dragon Curve Shanethegamer 10,277
    Evil Numbers madeforlosers 77
    Cubes madeforlosers 4,108
    Odious Numbers madeforlosers 80
    Evil Numbers (Long) madeforlosers 1,957
    Farey Sequence madeforlosers 4,361
    Odious Numbers (Long) madeforlosers 1,952
    Abundant Numbers madeforlosers 170
    Abundant Numbers (Long) madeforlosers 971
    Prime Numbers madeforlosers 78
    Look and Say madeforlosers 1,286
    Prime Numbers (Long) madeforlosers 5,955
    Divisors madeforlosers 1,173
    Foo Fizz Buzz Bar madeforlosers 5,726
    12 Days of Christmas madeforlosers 2,376
    Tongue-twisters madeforlosers 530
    Niven Numbers (Long) madeforlosers 7,445
    Fizz Buzz madeforlosers 420
    Factorial Factorisation scpchicken 869
    Alphabetic Numbers Shanethegamer 3,899
    Fibonacci plcc0 32
    Leap Years GolfingSuccess 🥉 42
    Fizz Buzz GolfingSuccess 113
    Tower of Hanoi scpchicken 99
    Factorial Factorisation madeforlosers 869
    Factorial Factorisation Carlos-EAC 868
    Gray Code Encoder Steffan153 🥇 54
    Pernicious Numbers madex 146
    ROT13 Steffan153 🥈 79
    Gray Code Encoder edsrzf 🥇 54
    Gray Code Encoder fuzzylojik-golf 🥇 54
    Gray Code Encoder GolfingSuccess 🥇 54
    Niven Numbers fuzzylojik-golf 🥇 42
    Factorial Factorisation madex 221
    Fizz Buzz scpchicken 103
    Niven Numbers (Long) fuzzylojik-golf 🥇 55
    Collatz madeforlosers 106
    Day of Week fuzzylojik-golf 🥇 53
    Proximity Grid Steffan153 🥇 124
    Diamonds error256 106
    Continued Fractions error256 🦄 108
    Minesweeper aksyristos 1,128
    Reverse Polish Notation error256 🥇 36
    Set error256 💎 106
    N Queens edsrzf 155
    Hilbert Curve dokutan 🥈 440
    Pangram Grep dokutan 115
    Prime Numbers (Long) JOrE20 5,955
    ln 2 JOrE20 1,010
    Van Eck Sequence JOrE20 2,562
    Tower of Hanoi JOrE20 3,584
    Tutorial janAkali 124
    Pernicious Numbers Steffan153 🥇 43
    Pernicious Numbers (Long) Steffan153 🥇 44
    Evil Numbers (Long) Steffan153 🥇 39
    Odious Numbers (Long) Steffan153 🥇 39
    Diamonds Steffan153 🥈 87
    Abundant Numbers (Long) Steffan153 68
    Fizz Buzz Steffan153 95
    Divisors Steffan153 74
    Pangram Grep Steffan153 74
    Leyland Numbers Steffan153 70
    Niven Numbers (Long) Steffan153 🥇 55
    ISBN Steffan153 🥇 90