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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
    Game of Life MeWhenI 71
    Pangram Grep plcc0 25
    Kaprekar Numbers pardouin 🥈 93
    Happy Numbers (Long) blaztoma 28
    Fibonacci blaztoma 14
    Tower of Hanoi Natanaelel 32
    Partition Numbers blaztoma 50
    Abundant Numbers (Long) Trildcookie 40
    Abundant Numbers Trildcookie 39
    12 Days of Christmas JOrE20 2,371
    γ JOrE20 1,004
    Prime Numbers JOrE20 20
    Fibonacci DialFrost 14
    Gray Code Encoder GolfingSuccess 17
    Tutorial kurkale6ka 29
    Tower of Hanoi retrohun 3,582
    Fibonacci snoozingnewt 15
    Evil Numbers (Long) snoozingnewt 20
    Evil Numbers snoozingnewt 18
    Odious Numbers (Long) snoozingnewt 18
    Odious Numbers snoozingnewt 17
    Transpose Sentence snoozingnewt 🥇 15
    Pangram Grep snoozingnewt 🥉 20
    Niven Numbers snoozingnewt 21
    Niven Numbers CornerMercury 21
    λ edsrzf 144
    Pernicious Numbers snoozingnewt 🥇 15
    Pangram Grep CornerMercury 🥉 20
    Tower of Hanoi edsrzf 30
    Tower of Hanoi Schmitt-Very-Cool 115
    Tower of Hanoi JOrE20 198
    Factorial Factorisation JOrE20 708
    Gijswijt’s Sequence JOrE20 170
    λ JOrE20 946
    Kolakoski Constant JOrE20 937
    Tongue-twisters prestosilver 524
    Lucky Numbers CaedenHarper 31
    ASCII Table JOrE20 275
    Number Spiral JOrE20 287
    Cubes JOrE20 668
    Diamonds JOrE20 293
    Hilbert Curve JOrE20 624
    Sierpiński Triangle JOrE20 191
    Tongue-twisters JOrE20 337
    Mandelbrot JOrE20 440
    Odd Polyomino Tiling JOrE20 19,561
    Taxicab Numbers ovs-code 36
    Taxicab Numbers JOrE20 4,137
    Hexagonal Spiral JOrE20 1,204
    Tower of Hanoi emgordon154 🥇 29
    Evil Numbers blaztoma 18
    Tower of Hanoi blaztoma 🥇 29
    τ CornerMercury 36
    PalindromemordnilaP CaedenHarper 30
    Lucky Tickets dokutan 3,033
    Tower of Hanoi dokutan 191
    Tower of Hanoi pardouin 30
    Tower of Hanoi AlephSquirrel 38
    Tower of Hanoi KatieLG 3,578
    Fibonacci solisolu 26
    Tower of Hanoi CaedenHarper 88
    Ascending Primes JOrE20 513
    γ MeWhenI 77
    Taxicab Numbers HumanoidCPU 4,161
    Niven Numbers (Long) emgordon154 🥈 24
    Kaprekar Numbers emgordon154 224
    Taxicab Numbers Shanethegamer 4,161
    99 Bottles of Beer blaztoma 202
    Smooth Numbers GolfingSuccess 25
    Lucky Numbers blaztoma 36
    Fizz Buzz JOrE20 37
    Gray Code Encoder emgordon154 19
    Gray Code Decoder emgordon154 26
    Zeckendorf Representation emgordon154 40
    Evil Numbers (Long) emgordon154 🥇 16
    Odious Numbers (Long) emgordon154 🥇 15
    Odious Numbers emgordon154 🥇 14
    Evil Numbers emgordon154 🥇 14
    Divisors emgordon154 🥇 24
    Continued Fractions GolfingSuccess 52