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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
    Fibonacci Samuel-George-Greenberger 28
    Tongue-twisters prestosilver 532
    Prime Numbers (Long) Samuel-George-Greenberger 15
    Divisors Samuel-George-Greenberger 25
    Niven Numbers Samuel-George-Greenberger 50
    Evil Numbers (Long) Samuel-George-Greenberger 34
    Leyland Numbers Samuel-George-Greenberger 47
    Happy Numbers (Long) Samuel-George-Greenberger 66
    Evil Numbers Samuel-George-Greenberger 28
    Minesweeper Natanaelel 87
    Prime Numbers tomh1012 14
    φ anter69 26
    Intersection 2bular 40
    Prime Numbers (Long) CornerMercury 🥇 13
    Prime Numbers CornerMercury 🥇 11
    Intersection HPWiz 🥇 39
    Polyominoes HumanoidCPU 9,837
    Odious Numbers (Long) snoozingnewt 🥇 20
    Odious Numbers snoozingnewt 🥇 19
    Tongue-twisters snoozingnewt 532
    Evil Numbers snoozingnewt 🥇 18
    Evil Numbers (Long) snoozingnewt 🥇 20
    π Carlos-EAC 1,016
    Calendar GolfingSuccess 44
    Tower of Hanoi CaedenHarper 6,642
    Sphenic Numbers HumanoidCPU 16,759
    Tower of Hanoi KatieLG 3,588
    Quine Frowny 🥇 26
    Tower of Hanoi HumanoidCPU 6,642
    Tower of Hanoi ovs-code 💎 41
    Tower of Hanoi dokutan 234
    Taxicab Numbers HumanoidCPU 6,584
    brainfuck Natanaelel 🥈 105
    Pernicious Numbers (Long) HPWiz 🥇 24
    PalindromemordnilaP 2bular 💎 32
    Highly Composite Numbers 2bular 58
    Taxicab Numbers Natanaelel 38
    Fibonacci dokutan 36
    Mahjong AidanWalter 🥉 1,860
    Taxicab Numbers ovs-code 37
    Taxicab Numbers 2bular 43
    π AidanWalter 1,187
    Smooth Numbers Natanaelel 35
    Tower of Hanoi MeWhenI 80
    Sphenic Numbers 2bular 26
    Smooth Numbers 2bular 36
    Smooth Numbers ovs-code 35
    Semiprime Numbers 2bular 22
    Continued Fractions Natanaelel 109
    Scrambled Sort AlephSquirrel 65
    Topological Sort 2bular 🥈 52
    Continued Fractions ovs-code 79
    Continued Fractions 2bular 85
    Fibonacci emgordon154 44
    Smith Numbers GrayJoKing 🥈 37
    Niven Numbers (Long) GrayJoKing 30
    Niven Numbers GrayJoKing 30
    Emirp Numbers (Long) GrayJoKing 31
    Emirp Numbers GrayJoKing 30
    Diamonds 2bular 💎 33
    Set ovs-code 💎 51
    Collatz 2bular 41
    Gray Code Encoder Natanaelel 59
    Gray Code Encoder ovs-code 30
    Seven Segment 2bular 🥉 70
    Gray Code Encoder 2bular 30
    Morse Decoder ovs-code 💎 113
    ASCII Table ovs-code 🥈 80
    Niven Numbers ovs-code 🥇 28
    ASCII Table 2bular 💎 78
    Hilbert Curve Natanaelel 🥉 327
    Hilbert Curve ovs-code 💎 109
    Star Wars GPT ovs-code 💎 51
    Star Wars GPT 2bular 🥈 53
    Tutorial luuumine 49
    brainfuck 2bular 🥉 125
    Tower of Hanoi Natanaelel 🥉 46
    Card Number Validation 2bular 🥈 49
    Leap Years 2bular 30
    Zeckendorf Representation 2bular 🥈 65