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

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

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Scrambled Sort kmathis22 632
    Evil Numbers rhdqor213 🥈 51
    Arithmetic Numbers kurkale6ka 37,658
    12 Days of Christmas prestosilver 522
    CSS Colors (Inverse) prestosilver 2,744
    Scrambled Sort prestosilver 280
    12 Days of Christmas tmyt 2,388
    Fibonacci Languag3 48
    Arithmetic Numbers xsot 79
    Fibonacci Pyroan 57
    Arithmetic Numbers kellantech 346
    Sierpiński Triangle prestosilver 90
    Ascending Primes prestosilver 211
    γ JOrE20 1,019
    Tutorial zgialor-lab 107
    Evil Numbers zgialor-lab 87
    Divisors zgialor-lab 90
    Fibonacci zgialor-lab 69
    Fizz Buzz zgialor-lab 128
    Tower of Hanoi zgialor-lab 88
    Reverse Polish Notation elttil 269
    Jacobi Symbol KasperKivimaeki 131
    Kaprekar Numbers blaztoma 92
    Quine elttil 68
    Leap Years kellantech 68
    Fizz Buzz amazingalek 143
    Collatz kellantech 84
    Fibonacci kellantech 58
    Niven Numbers (Long) Yax42 77
    ISBN prestosilver 117
    Fizz Buzz mwarvik 124
    Arithmetic Numbers tmyt 89
    Catalan Numbers DialFrost 181
    Niven Numbers (Long) b-illy 66
    brainfuck kurkale6ka 1,393
    Evil Numbers (Long) emgordon154 52
    Arrows prestosilver 228
    Odd Polyomino Tiling JOrE20 21,447
    Fractions Mukundan314 99
    Fractions KasperKivimaeki 🥇 93
    Forsyth–Edwards Notation Maashau 240
    Arithmetic Numbers DialFrost 83
    Quine xsot 🥇 39
    Abundant Numbers (Long) DialFrost 71
    Hexagonal Spiral bitsandbeyond 270
    Pangram Grep xsot 🥉 71
    Foo Fizz Buzz Bar TheZwierzLF 217
    Fizz Buzz adityaghosh2264 78
    Scrambled Sort Lv0Sys 405
    Inventory Sequence prestosilver 68
    Hexdump prestosilver 197
    Van Eck Sequence Maashau 2,571
    Vampire Numbers Maashau 1,087
    Trinomial Triangle Maashau 2,083
    Smith Numbers Maashau 1,840
    Recamán Maashau 913
    Pascal’s Triangle Maashau 785
    Partition Numbers Maashau 663
    Odious Numbers (Long) Maashau 80
    Odious Numbers Maashau 78
    Niven Numbers (Long) Maashau 82
    Niven Numbers Maashau 80
    Leap Years Maashau 69
    Lucky Numbers Maashau 4,836
    Look and Say Maashau 1,295
    Leyland Numbers Maashau 902
    Kolakoski Sequence Maashau 2,016
    Kaprekar Numbers Maashau 456
    Inventory Sequence Maashau 2,639
    Gijswijt’s Sequence Maashau 2,016
    Farey Sequence Maashau 4,370
    Emirp Numbers (Long) Maashau 1,172
    Catalan Numbers Maashau 2,888
    Ascending Primes Maashau 528
    Emirp Numbers Maashau 152
    Diamonds Maashau 192
    Mahjong MeWhenI 406
    Quine inventshah 66
    Quine yoikolover 76
    Collatz yoikolover 80