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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
    ln 2 retrohun 1,011
    γ Haksell 1,011
    Connect Four Shanethegamer 201
    Set denkyuu1 213
    Rock-paper-scissors-Spock-lizard denkyuu1 219
    Look and Say denkyuu1 108
    Leap Years RealBen9 47
    Snake Shanethegamer 149
    Connect Four antimon2 181
    Tower of Hanoi denkyuu1 51
    Pernicious Numbers (Long) denkyuu1 51
    Pernicious Numbers denkyuu1 39
    Odious Numbers denkyuu1 38
    Evil Numbers denkyuu1 38
    γ codereport 🥇 42
    Sudoku (Fill-in) codereport 206
    Alphabetic Numbers CaedenHarper 3,903
    Divisors Orsailius 56
    24 Game dokutan 259
    γ oaiqjuy 59
    τ oaiqjuy 50
    Catalan’s Constant oaiqjuy 66
    Gray Code Encoder oaiqjuy 🥇 53
    Leap Years Steffan153 🥇 32
    Rectangle Fill Shanethegamer 135
    Odious Numbers HumanoidCPU 41
    Evil Numbers HumanoidCPU 41
    Evil Numbers (Long) HumanoidCPU 43
    Odious Numbers (Long) HumanoidCPU 43
    Alphabetic Numbers ovs-code 🥈 111
    Leap Years denkyuu1 40
    Alphabetic Numbers antimon2 💎 107
    Spelling Numbers antimon2 💎 255
    Fibonacci Orsailius 40
    Tongue-twisters prestosilver 531
    Topological Sort scpchicken 🥉 109
    Gray Code Decoder Shanethegamer 57
    Star Wars GPT denkyuu1 140
    Morse Encoder dokutan 175
    Ulam Sequence HumanoidCPU 1,101
    γ rkg-huwdu 60
    Alphabetic Numbers KatieLG 3,094
    Alphabetic Numbers dokutan 🥉 1,918
    Ulam Sequence Shanethegamer 1,101
    99 Bottles of Beer denkyuu1 357
    Number Spiral denkyuu1 198
    Leyland Numbers denkyuu1 62
    Catalan Numbers denkyuu1 42
    Prime Numbers denkyuu1 39
    Diamonds denkyuu1 105
    Cubes denkyuu1 210
    Factorial Factorisation denkyuu1 94
    Taxicab Numbers Andriamanitra 123
    Quine GolfingSuccess 🥇 32
    Leap Years Lydxn 🥇 32
    Niven Numbers HumanoidCPU 44
    Niven Numbers (Long) HumanoidCPU 46
    τ aksyristos 48
    𝑒 aksyristos 47
    π aksyristos 46
    φ aksyristos 64
    Catalan’s Constant aksyristos 65
    ISBN HumanoidCPU 98
    24 Game madeforlosers 12,440
    Taxicab Numbers dokutan 4,168
    Quine aksyristos 🥇 32
    Taxicab Numbers madex 111
    ln 2 scpchicken 🥇 40
    Taxicab Numbers CaedenHarper 4,168
    Dragon Curve dokutan 15,315
    Reverse Polish Notation denkyuu1 156
    Lucky Numbers denkyuu1 110
    Nim Shanethegamer 95
    Continued Fractions denkyuu1 136
    Leap Years sisyphus-ppcg 38
    Taxicab Numbers antimon2 💎 73
    Taxicab Numbers DialFrost 🥈 86
    Happy Numbers (Long) denkyuu1 53
    Happy Numbers denkyuu1 51
    Niven Numbers denkyuu1 40
    Kolakoski Sequence madeforlosers 2,008
    Dragon Curve HumanoidCPU 10,281
    Dragon Curve Shanethegamer 10,281
    λ emgordon154 206
    Evil Numbers madeforlosers 78
    Flags bitsandbeyond 674
    Cubes madeforlosers 4,109
    Odious Numbers madeforlosers 81
    Evil Numbers (Long) madeforlosers 1,958
    Farey Sequence madeforlosers 4,362
    Odious Numbers (Long) madeforlosers 1,953
    Abundant Numbers madeforlosers 171
    Abundant Numbers (Long) madeforlosers 972
    Prime Numbers madeforlosers 79
    Look and Say madeforlosers 1,287
    Prime Numbers (Long) madeforlosers 5,956
    Divisors madeforlosers 1,174
    Foo Fizz Buzz Bar madeforlosers 5,727
    12 Days of Christmas madeforlosers 2,377
    Niven Numbers (Long) madeforlosers 7,446