Ctrl+P again to print, arrows/tab to navigate results, enter to confirm

    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
    Diamonds kg583 106
    Zodiac Signs edsrzf 178
    Reverse Polish Notation sean-niemann 🥉 98
    Reverse Polish Notation edsrzf 🥇 92
    Reverse Polish Notation kg583 🥇 92
    Rijndael S-box kg583 🥉 198
    Rijndael S-box Steffan153 🥇 123
    Rijndael S-box edsrzf 🥇 123
    Sudoku (Fill-in) blaztoma 2,491
    Sudoku (Fill-in) edsrzf 💎 211
    Sudoku (Fill-in) Steffan153 🥈 220
    Snake Shanethegamer 222
    Musical Chords Steffan153 💎 129
    Alphabetic Numbers CaedenHarper 🥉 3,902
    Musical Chords edsrzf 🥈 130
    Alphabetic Numbers edsrzf 💎 157
    Reversi oaiqjuy 806
    Topological Sort oaiqjuy 529
    Look and Say kg583 81
    Tongue-twisters prestosilver 531
    Recamán kg583 82
    Ulam Sequence HumanoidCPU 1,100
    Alphabetic Numbers KatieLG 3,903
    Alphabetic Numbers dokutan 🥈 2,942
    Ulam Sequence Shanethegamer 1,100
    Morse Encoder Andriamanitra 508
    Taxicab Numbers Steffan153 🥈 95
    Emirp Numbers kg583 🥇 72
    Minesweeper kg583 🥈 120
    Vampire Numbers kg583 159
    Leyland Numbers kg583 🥈 84
    Abundant Numbers snoozingnewt 🥉 60
    Abundant Numbers (Long) snoozingnewt 🥇 61
    Gray Code Encoder GolfingSuccess 94
    Smith Numbers kg583 127
    Ordinal Numbers kg583 🥈 82
    Ordinal Numbers edsrzf 🥉 88
    Ordinal Numbers Steffan153 💎 81
    24 Game madeforlosers 13,801
    Fibonacci LostSyntax21 58
    Taxicab Numbers dokutan 2,534
    Transpose Sentence roelderickx 263
    Nim Shanethegamer 111
    Multitap Input dokutan 🥉 337
    Taxicab Numbers CaedenHarper 4,167
    Taxicab Numbers edsrzf 💎 91
    Taxicab Numbers kg583 🥉 113
    Nim kg583 102
    Nim edsrzf 93
    Emojify edsrzf 🥇 140
    Jacobi Symbol edsrzf 🥈 150
    Gray Code Encoder edsrzf 💎 90
    Kolakoski Sequence madeforlosers 2,008
    φ kg583 🥈 163
    ASCII Table HumanoidCPU 283
    12 Days of Christmas HumanoidCPU 506
    Odd Polyomino Tiling HumanoidCPU 21,438
    Mandelbrot HumanoidCPU 10,011
    Foo Fizz Buzz Bar HumanoidCPU 5,726
    Farey Sequence HumanoidCPU 4,361
    Emirp Numbers (Long) HumanoidCPU 1,163
    Cubes HumanoidCPU 4,108
    Arithmetic Numbers HumanoidCPU 37,649
    99 Bottles of Beer HumanoidCPU 11,892
    24 Game HumanoidCPU 12,439
    Van Eck Sequence HumanoidCPU 2,562
    Tower of Hanoi HumanoidCPU 3,584
    Vampire Numbers HumanoidCPU 1,078
    Tongue-twisters HumanoidCPU 530
    Taxicab Numbers HumanoidCPU 4,167
    Smith Numbers HumanoidCPU 1,831
    Sierpiński Triangle HumanoidCPU 561
    Rule 110 HumanoidCPU 15,859
    Rijndael S-box HumanoidCPU 775
    Recamán HumanoidCPU 904
    Prime Numbers (Long) HumanoidCPU 5,955
    Prime Numbers HumanoidCPU 78
    Polyominoes HumanoidCPU 3,571
    Pernicious Numbers (Long) HumanoidCPU 20,669
    Pernicious Numbers HumanoidCPU 107
    Pascal’s Triangle HumanoidCPU 776
    Partition Numbers HumanoidCPU 654
    Odious Numbers (Long) HumanoidCPU 1,952
    Odious Numbers HumanoidCPU 80
    Number Spiral HumanoidCPU 307
    Niven Numbers (Long) HumanoidCPU 7,445
    Niven Numbers HumanoidCPU 98
    N Queens HumanoidCPU 1,253
    Lucky Numbers HumanoidCPU 4,827
    Look and Say HumanoidCPU 1,286
    Leyland Numbers HumanoidCPU 893
    Highly Composite Numbers HumanoidCPU 399
    Hilbert Curve HumanoidCPU 🥉 5,125
    Leap Years HumanoidCPU 737
    Kaprekar Numbers HumanoidCPU 447
    Inventory Sequence HumanoidCPU 2,630
    Gijswijt’s Sequence HumanoidCPU 2,007
    Happy Numbers (Long) HumanoidCPU 559
    Happy Numbers HumanoidCPU 114
    Evil Numbers (Long) HumanoidCPU 1,957