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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
    Star Wars Opening Crawl albanian-laundromat 💎 515
    Alphabetic Numbers sean-niemann 💎 268
    Catalan Numbers albanian-laundromat 💎 276
    Alphabetic Numbers JOrE20 🥈 733
    12 Days of Christmas JOrE20 581
    Taxicab Numbers JOrE20 🥈 138
    Trinomial Triangle JOrE20 231
    Catalan Numbers JOrE20 🥈 282
    Pernicious Numbers retrohun 78
    Pernicious Numbers (Long) retrohun 83
    Odious Numbers retrohun 66
    Odious Numbers (Long) retrohun 🥇 67
    Evil Numbers (Long) retrohun 🥇 65
    Evil Numbers retrohun 🥇 64
    Sphenic Numbers albanian-laundromat 149
    Alphabetic Numbers CaedenHarper 6,913
    Nim albanian-laundromat 206
    Quine albanian-laundromat 100
    Leap Years Steffan153 🥇 60
    Sudoku (Fill-in) albanian-laundromat 💎 343
    Fibonacci solisolu 69
    Ulam Sequence HumanoidCPU 1,856
    Alphabetic Numbers KatieLG 6,915
    Alphabetic Numbers dokutan 🥉 3,116
    Fibonacci Herbert00709 78
    Taxicab Numbers dokutan 🥉 3,375
    Scrambled Sort Matter1024 631
    Leap Years Lydxn 🥇 60
    ROT13 snoozingnewt 171
    Odious Numbers (Long) snoozingnewt 🥇 67
    Odious Numbers snoozingnewt 66
    Evil Numbers (Long) snoozingnewt 🥇 65
    Evil Numbers snoozingnewt 🥇 64
    Semiprime Numbers albanian-laundromat 162
    Fibonacci Matter1024 79
    Taxicab Numbers edsrzf 💎 122
    Kolakoski Constant albanian-laundromat 🥈 220
    24 Game madeforlosers 17,894
    United States GolfingSuccess 780
    Taxicab Numbers CaedenHarper 5,630
    Kolakoski Sequence madeforlosers 2,018
    Dragon Curve HumanoidCPU 11,561
    Evil Numbers madeforlosers 184
    Card Number Validation albanian-laundromat 159
    Cubes madeforlosers 4,559
    Odious Numbers madeforlosers 191
    Evil Numbers (Long) madeforlosers 3,968
    Farey Sequence madeforlosers 7,468
    Odious Numbers (Long) madeforlosers 3,959
    Abundant Numbers madeforlosers 361
    Abundant Numbers (Long) madeforlosers 1,962
    Prime Numbers madeforlosers 185
    Look and Say madeforlosers 1,373
    Prime Numbers (Long) madeforlosers 10,878
    Niven Numbers (Long) madeforlosers 13,604
    Fizz Buzz madeforlosers 827
    QR Decoder MostParsingVex 🥈 416
    Tower of Hanoi scpchicken 99
    Leap Years JayXon 🥇 60
    Niven Numbers madeforlosers 83
    Factorial Factorisation retrohun 880
    Pernicious Numbers (Long) HumanoidCPU 41,935
    Gray Code Encoder emplv 216
    Gray Code Decoder albanian-laundromat 🥈 107
    Gray Code Decoder emgordon154 🥉 113
    Card Number Validation edsrzf 💎 143
    Pascal’s Triangle Carlos-EAC 996
    N Queens edsrzf 💎 178
    Gray Code Encoder edsrzf 💎 104
    Gray Code Decoder edsrzf 💎 106
    Mandelbrot emgordon154 🥉 212
    PalindromemordnilaP MostParsingVex 🥉 156
    Pernicious Numbers madex 148
    United States emgordon154 1,262
    Niven Numbers (Long) emgordon154 123
    Maze emgordon154 🥉 234
    Tower of Hanoi emgordon154 92
    Abundant Numbers (Long) emgordon154 113
    Collatz emgordon154 🥉 124
    ASCII Table emgordon154 203
    Foo Fizz Buzz Bar emgordon154 188
    Kolakoski Sequence emgordon154 115
    Pascal’s Triangle emgordon154 124
    Prime Numbers emgordon154 🥈 76
    Prime Numbers (Long) emgordon154 104
    Arithmetic Numbers emgordon154 140
    Rijndael S-box emgordon154 🥈 139
    Fizz Buzz emgordon154 132
    Divisors emgordon154 100
    Abundant Numbers emgordon154 101
    Farey Sequence emgordon154 115
    Roman to Arabic emgordon154 82
    Arabic to Roman emgordon154 96
    Gijswijt’s Sequence emgordon154 🥈 145
    Niven Numbers emgordon154 🥇 76
    Pernicious Numbers (Long) emgordon154 82
    Evil Numbers emgordon154 71
    Evil Numbers (Long) emgordon154 73
    Odious Numbers (Long) emgordon154 70
    Odious Numbers emgordon154 69