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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 Chars Time Submitted
    Fibonacci solisolu 69
    Fibonacci albanian-laundromat 68
    Rule 110 dokutan 658
    Polyominoes dokutan 🥈 486
    Prime Numbers edsrzf 46
    Poker edsrzf 💎 218
    Maze edsrzf 💎 111
    Game of Life dokutan 🥉 216
    Zodiac Signs dokutan 270
    Mahjong dokutan 🥈 446
    Reversi dokutan 172
    Maze dokutan 🥈 153
    Minesweeper dokutan 🥈 183
    Poker dokutan 🥈 358
    Sudoku dokutan 💎 461
    Forsyth–Edwards Notation dokutan 172
    Emojify dokutan 194
    99 Bottles of Beer dokutan 194
    ROT13 edsrzf 💎 85
    √2 dokutan 384
    φ dokutan 384
    τ dokutan 384
    π dokutan 381
    λ dokutan 383
    γ dokutan 🥉 383
    Van Eck Sequence dokutan 689
    Vampire Numbers dokutan 372
    United States dokutan 284
    Trinomial Triangle dokutan 613
    Transpose Sentence dokutan 🥉 107
    Tower of Hanoi dokutan 115
    Tongue-twisters dokutan 🥉 174
    Spelling Numbers dokutan 🥉 276
    Smith Numbers dokutan 617
    Sierpiński Triangle dokutan 114
    Seven Segment dokutan 136
    ROT13 dokutan 🥈 108
    Roman to Arabic dokutan 98
    Rock-paper-scissors-Spock-lizard dokutan 🥉 229
    Rijndael S-box dokutan 🥉 322
    Recamán dokutan 132
    Prime Numbers (Long) dokutan 89
    Prime Numbers dokutan 67
    Pernicious Numbers (Long) dokutan 99
    Pernicious Numbers dokutan 85
    Pascal’s Triangle dokutan 98
    Partition Numbers dokutan 132
    Odious Numbers (Long) dokutan 75
    Odious Numbers dokutan 72
    Number Spiral dokutan 🥉 148
    Niven Numbers (Long) dokutan 70
    Niven Numbers dokutan 69
    N Queens dokutan 🥉 369
    Morse Encoder dokutan 🥈 210
    Morse Decoder dokutan 🥉 199
    Mandelbrot dokutan 🥈 183
    Lucky Tickets dokutan 704
    Lucky Numbers dokutan 1,474
    Look and Say dokutan 204
    ln 2 dokutan 382
    Leyland Numbers dokutan 337
    Levenshtein Distance dokutan 242
    Leap Years dokutan 66
    Kolakoski Sequence dokutan 128
    Kolakoski Constant dokutan 383
    Kaprekar Numbers dokutan 192
    Inventory Sequence dokutan 630
    Hilbert Curve dokutan 🥈 252
    Hexagonal Spiral dokutan 155
    Happy Numbers (Long) dokutan 224
    Happy Numbers dokutan 89
    Gijswijt’s Sequence dokutan 🥈 89
    Fractions dokutan 116
    Foo Fizz Buzz Bar dokutan 122
    Fizz Buzz dokutan 68
    Fibonacci dokutan 66
    Farey Sequence dokutan 1,102
    Factorial Factorisation dokutan 🥉 287
    Evil Numbers (Long) dokutan 81
    Evil Numbers dokutan 70