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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 (Long) JOrE20 59,688
    Factorial Factorisation JOrE20 2,755
    Catalan Numbers JOrE20 8,485
    Farey Sequence JOrE20 14,093
    Gijswijt’s Sequence JOrE20 4,327
    Recamán JOrE20 2,654
    Fizz Buzz JOrE20 350
    brainfuck JOrE20 485
    99 Bottles of Beer JOrE20 2,460
    Tower of Hanoi JOrE20 🥉 1,229
    brainfuck KasperKivimaeki 849
    Tower of Hanoi dokutan 8,326
    ROT13 JOrE20 851
    12 Days of Christmas JOrE20 11,663
    24 Game JOrE20 37,093
    Tutorial kurkale6ka 202
    γ canissimia 💎 1,454
    Tower of Hanoi olleicua 6,086
    Tower of Hanoi Kacarott 💎 198
    γ JOrE20 2,995
    Pernicious Numbers snoozingnewt 308
    brainfuck duckyluuk 708
    Cubes JOrE20 8,457
    Diamonds Kacarott 324
    Number Spiral JOrE20 1,032
    Sphenic Numbers HumanoidCPU 25,500
    Semiprime Numbers HumanoidCPU 37,213
    Taxicab Numbers HumanoidCPU 12,354
    Mandelbrot HumanoidCPU 37,540
    Hilbert Curve HumanoidCPU 18,529
    Odd Polyomino Tiling HumanoidCPU 43,936
    Foo Fizz Buzz Bar JOrE20 19,138
    Collatz JOrE20 8,761
    Tower of Hanoi KatieLG 13,318
    Tower of Hanoi CaedenHarper 10,097
    λ JOrE20 2,975
    Evil Numbers (Long) JOrE20 5,568
    Evil Numbers JOrE20 234
    Odd Polyomino Tiling JOrE20 43,868
    Hexagonal Spiral JOrE20 3,552
    Trinomial Triangle HumanoidCPU 8,512
    Polyominoes JOrE20 6,421
    Fizz Buzz WorseGolfer 128,554
    Tutorial prestosilver 115
    Emirp Numbers Andrey2001 3,573
    12 Days of Christmas Andrey2001 83,416
    π Andrey2001 5,465
    𝑒 prestosilver 4,276
    Fibonacci prestosilver 506
    Kolakoski Constant prestosilver 3,377
    ASCII Table prestosilver 2,896
    Look and Say prestosilver 2,493
    Sierpiński Triangle prestosilver 3,431
    Leap Years Andrey2001 14,166
    π prestosilver 2,823
    γ prestosilver 3,034
    Polyominoes prestosilver 6,626
    Tower of Hanoi canissimia 🥈 209
    Tongue-twisters prestosilver 2,640
    Emirp Numbers snoozingnewt 446
    γ snoozingnewt 2,995
    λ snoozingnewt 2,975
    Prime Numbers snoozingnewt 221
    Tongue-twisters snoozingnewt 2,255
    Evil Numbers snoozingnewt 234
    Niven Numbers snoozingnewt 288
    Fibonacci emgordon154 435
    Hilbert Curve MeWhenI 18,529
    Tower of Hanoi MeWhenI 1,854
    Partition Numbers canissimia 💎 319
    Quine JOrE20 392
    Look and Say rcht 🥉 372
    Tutorial JOrE20 115
    Rule 110 JOrE20 29,769
    Hilbert Curve JOrE20 🥉 16,498
    Christmas Trees JOrE20 769
    Mandelbrot JOrE20 25,500
    99 Bottles of Beer M4rc0g1 14,934
    ROT13 CaedenHarper 🥉 235
    Minesweeper canissimia 🦄 234