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

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Pernicious Numbers JOrE20 76
    Tongue-twisters JOrE20 493
    99 Bottles of Beer JOrE20 452
    Abundant Numbers (Long) JOrE20 119
    Abundant Numbers JOrE20 118
    Fibonacci DialFrost 🥇 66
    Happy Numbers (Long) HumanoidCPU 415
    Tongue-twisters prestosilver 579
    Emirp Numbers Mukundan314 116
    Ten-pin Bowling blaztoma 🥉 397
    United States Mukundan314 💎 150
    Musical Chords blaztoma 🥉 374
    Tutorial Mukundan314 107
    Hexagonal Spiral bitsandbeyond 541
    Odious Numbers JOrE20 67
    Evil Numbers JOrE20 66
    Sudoku (Fill-in) blaztoma 🥈 454
    ASCII Table dpethes 🥉 190
    Odious Numbers (Long) dpethes 71
    Odious Numbers dpethes 69
    Niven Numbers (Long) snoozingnewt 135
    Evil Numbers (Long) dpethes 73
    Evil Numbers dpethes 71
    Tongue-twisters JayXon 🥈 336
    Levenshtein Distance primo-ppcg 🥈 266
    Gray Code Decoder albanian-laundromat 121
    Quine CornerMercury 🥇 92
    Billiards albanian-laundromat 🥈 318
    Tic-tac-toe albanian-laundromat 💎 181
    Fizz Buzz sean-niemann 135
    Happy Numbers snoozingnewt 105
    Sphenic Numbers snoozingnewt 1,615
    Recamán snoozingnewt 307
    Prime Numbers snoozingnewt 122
    ln 2 snoozingnewt 🥉 356
    Emirp Numbers (Long) snoozingnewt 351
    Emirp Numbers snoozingnewt 350
    Collatz snoozingnewt 145
    Fibonacci snoozingnewt 69
    Collatz albanian-laundromat 139
    Pernicious Numbers snoozingnewt 🥇 68
    ISBN albanian-laundromat 192
    Niven Numbers snoozingnewt 🥇 76
    Foo Fizz Buzz Bar snoozingnewt 198
    Fizz Buzz snoozingnewt 138
    Fizz Buzz albanian-laundromat 141
    Fizz Buzz JOrE20 151
    Factorial Factorisation JOrE20 880
    ROT13 JOrE20 234
    Hilbert Curve JOrE20 903
    Medal Tally JOrE20 876
    Card Number Validation JOrE20 389
    Foo Fizz Buzz Bar JOrE20 207
    Evil Numbers albanian-laundromat 71
    Odious Numbers albanian-laundromat 71
    Odious Numbers (Long) albanian-laundromat 73
    Evil Numbers (Long) albanian-laundromat 73
    Farey Sequence albanian-laundromat 127
    Prime Numbers (Long) albanian-laundromat 113
    Maze albanian-laundromat 🥈 264
    Rijndael S-box JOrE20 831
    Sierpiński Triangle JOrE20 397
    Cubes JOrE20 1,017
    Tower of Hanoi sean-niemann 💎 89
    Tower of Hanoi CaedenHarper 5,125
    Tower of Hanoi edsrzf 🥈 90
    Billiards JOrE20 🥉 1,508
    Spelling Numbers dokutan 16,029
    ROT13 dokutan 1,047
    Lucky Tickets dokutan 3,730
    Emojify dokutan 🥉 547
    Tower of Hanoi dokutan 91
    λ JOrE20 1,021
    Kolakoski Constant JOrE20 1,021
    Leap Years JOrE20 102
    Tower of Hanoi m-tkach 🥈 90
    Tower of Hanoi KatieLG 5,127
    Taxicab Numbers HumanoidCPU 6,598
    Fizz Buzz WorseGolfer 128,294
    N Queens JOrE20 1,377