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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
    N Queens DialFrost 🥈 106
    Foo Fizz Buzz Bar DialFrost 91
    ASCII Table DialFrost 🥈 101
    Smith Numbers DialFrost 🥉 122
    Sierpiński Triangle DialFrost 78
    Rule 110 DialFrost 💎 80
    π DialFrost 182
    Reverse Polish Notation DialFrost 🥈 109
    Reverse Polish Notation sean-niemann 💎 107
    Gijswijt’s Sequence DialFrost 🥉 117
    Minesweeper DialFrost 🥉 151
    24 Game DialFrost 🥉 211
    Catalan Numbers DialFrost 🥈 159
    Kolakoski Constant DialFrost 🥈 109
    Kolakoski Sequence DialFrost 🥉 43
    ln 2 DialFrost 195
    Ten-pin Bowling DialFrost 211
    Cubes DialFrost 🥉 211
    Tutorial zgialor-lab 90
    Alphabetic Numbers CaedenHarper 3,901
    Roman to Arabic plcc0 🥇 35
    Arabic to Roman plcc0 41
    Roman to Arabic codereport 🥇 35
    United States scpchicken 🥇 63
    United States oaiqjuy 66
    ROT13 oaiqjuy 144
    Calendar DialFrost 💎 157
    Leap Years Steffan153 🥇 36
    Alphabetic Numbers ovs-code 💎 133
    Alphabetic Numbers LostSyntax21 🥈 232
    Arabic to Roman 2bular 🥇 40
    Ulam Sequence HumanoidCPU 1,099
    Alphabetic Numbers KatieLG 🥉 3,052
    Roman to Arabic 2bular 🥇 35
    Rock-paper-scissors-Spock-lizard snoozingnewt 🥈 246
    Leap Years denkyuu1 61
    Alphabetic Numbers dokutan 3,901
    Proximity Grid snoozingnewt 🥉 130
    Ulam Sequence ovs-code 71
    Ulam Sequence Shanethegamer 1,099
    Partition Numbers DialFrost 🥉 56
    Number Spiral DialFrost 🥉 80
    Look and Say Steffan153 🥇 57
    Taxicab Numbers dokutan 4,166
    Mandelbrot snoozingnewt 117
    Gray Code Decoder snoozingnewt 🥉 71
    Gray Code Encoder snoozingnewt 95
    Fibonacci roupiq 38
    Foo Fizz Buzz Bar Steffan153 💎 89
    Fizz Buzz Steffan153 🥇 62
    Rule 110 snoozingnewt 🥈 85
    Fibonacci Matter1024 46
    Continued Fractions DialFrost 🥈 126
    Ten-pin Bowling LostSyntax21 308
    Ten-pin Bowling snoozingnewt 🥈 175
    Morse Decoder snoozingnewt 🥉 218
    Emojify snoozingnewt 🥉 185
    Maze snoozingnewt 🥈 136
    Minesweeper snoozingnewt 🥈 147
    Reversi snoozingnewt 🥈 135
    Factorial Factorisation snoozingnewt 🥉 88
    Star Wars Opening Crawl LostSyntax21 404
    Star Wars Opening Crawl snoozingnewt 🥈 352
    SI Units snoozingnewt 🥈 522
    Vampire Numbers ovs-code 💎 127
    Vampire Numbers DialFrost 🥈 132
    Fizz Buzz scpchicken 🥉 66
    Fizz Buzz teebee 🥇 62
    N Queens snoozingnewt 🥉 114
    24 Game madeforlosers 12,442
    United States GolfingSuccess 🥇 63
    12 Days of Christmas WilliamDeBlieck 🥈 451
    Roman to Arabic dokutan 56
    Taxicab Numbers ovs-code 💎 53
    Taxicab Numbers CaedenHarper 4,166
    Taxicab Numbers DialFrost 🥈 56
    Taxicab Numbers snoozingnewt 🥉 58
    Roman to Arabic scpchicken 🥇 35
    Prime Numbers aksyristos 43
    Tower of Hanoi scpchicken 68
    Tower of Hanoi bitsandbeyond 🥉 66
    Kolakoski Sequence madeforlosers 2,010
    Dragon Curve HumanoidCPU 10,279
    Dragon Curve Shanethegamer 10,279
    Evil Numbers madeforlosers 80
    Cubes madeforlosers 4,111
    Odious Numbers madeforlosers 83
    Evil Numbers (Long) madeforlosers 1,960
    Farey Sequence madeforlosers 4,364
    Odious Numbers (Long) madeforlosers 1,955
    Abundant Numbers madeforlosers 173
    Abundant Numbers (Long) madeforlosers 974
    Prime Numbers madeforlosers 81
    Look and Say madeforlosers 1,289
    Prime Numbers (Long) madeforlosers 5,958
    Divisors madeforlosers 1,176
    Foo Fizz Buzz Bar madeforlosers 5,729
    12 Days of Christmas madeforlosers 2,379
    Tongue-twisters madeforlosers 533
    Niven Numbers (Long) madeforlosers 7,448