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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
    Tower of Hanoi KatieLG 331
    Hexagonal Spiral bitsandbeyond 272
    Rijndael S-box bitsandbeyond 🥈 140
    Trinomial Triangle edsrzf 💎 95
    Tower of Hanoi JayXon 💎 64
    Lucky Tickets MeWhenI 2,450
    Pangram Grep kmathis22 237
    γ JOrE20 1,069
    Fizz Buzz mwarvik 111
    Fizz Buzz amazingalek 111
    Minesweeper scpchicken 1,272
    Abundant Numbers DialFrost 73
    Musical Chords JOrE20 4,944
    Odious Numbers snoozingnewt 50
    Niven Numbers (Long) snoozingnewt 78
    Arrows snoozingnewt 🥉 162
    λ edsrzf 🥉 229
    Pangram Grep ndren 631
    Scrambled Sort snoozingnewt 127
    Hexagonal Spiral HumanoidCPU 1,342
    Tower of Hanoi JDiLenarda 313
    Divisors snoozingnewt 66
    Niven Numbers snoozingnewt 🥉 48
    Tongue-twisters prestosilver 555
    Catalan Numbers snoozingnewt 55
    Tower of Hanoi sean-niemann 67
    Tower of Hanoi CaedenHarper 3,584
    Spelling Numbers dokutan 1,149
    Lucky Tickets dokutan 4,776
    Tower of Hanoi edsrzf 🥈 66
    Happy Numbers snoozingnewt 56
    Van Eck Sequence KatieLG 1,677
    Vampire Numbers KatieLG 1,040
    Trinomial Triangle KatieLG 1,833
    Tongue-twisters KatieLG 499
    Smith Numbers KatieLG 1,643
    Sierpiński Triangle KatieLG 223
    Rule 110 KatieLG 2,032
    Recamán KatieLG 807
    Prime Numbers (Long) KatieLG 4,248
    Polyominoes KatieLG 1,338
    Pernicious Numbers (Long) KatieLG 13,992
    Pascal’s Triangle KatieLG 696
    Odious Numbers (Long) KatieLG 1,658
    Niven Numbers (Long) KatieLG 5,494
    N Queens KatieLG 🥉 1,178
    Mandelbrot KatieLG 569
    Lucky Numbers KatieLG 3,682
    Look and Say KatieLG 703
    Leap Years KatieLG 601
    Kolakoski Sequence KatieLG 343
    Inventory Sequence KatieLG 1,717
    Hilbert Curve KatieLG 868
    Gijswijt’s Sequence KatieLG 249
    Foo Fizz Buzz Bar KatieLG 1,521
    Fizz Buzz KatieLG 281
    Farey Sequence KatieLG 2,858
    Factorial Factorisation KatieLG 🥉 807
    Evil Numbers (Long) KatieLG 1,662
    Emirp Numbers (Long) KatieLG 1,018
    Divisors KatieLG 837
    Diamonds KatieLG 389
    Cubes KatieLG 827
    Collatz KatieLG 2,177
    Christmas Trees KatieLG 307
    Catalan Numbers KatieLG 2,622
    Ascending Primes KatieLG 456
    Arithmetic Numbers KatieLG 24,568
    Abundant Numbers (Long) KatieLG 842
    99 Bottles of Beer KatieLG 1,285
    24 Game KatieLG 5,051
    12 Days of Christmas KatieLG 2,073
    Tower of Hanoi HumanoidCPU 166
    Star Wars GPT albanian-laundromat 🥈 383
    Tower of Hanoi dokutan 3,584
    Taxicab Numbers HumanoidCPU 4,167
    Fibonacci Andrey2001 73
    Musical Chords AidanWalter 1,984
    Minesweeper AidanWalter 1,559
    Taxicab Numbers Shanethegamer 4,167