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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
    Prime Numbers (Long) Florian-Mt 🥇 50
    Prime Numbers Florian-Mt 🥇 48
    Tower of Hanoi KatieLG 325
    12 Days of Christmas jkelly467 494
    Prime Numbers edsrzf 🥇 48
    Prime Numbers (Long) edsrzf 🥇 50
    Evil Numbers JOrE20 49
    Tower of Hanoi Natanaelel 70
    Fibonacci fuzzylojik-golf 51
    Hexagonal Spiral bitsandbeyond 233
    Niven Numbers (Long) fuzzylojik-golf 🥇 54
    Niven Numbers fuzzylojik-golf 🥇 44
    Prime Numbers (Long) fuzzylojik-golf 🥇 50
    Prime Numbers fuzzylojik-golf 🥇 48
    Kolakoski Constant jkelly467 156
    Pascal’s Triangle edsrzf 🥇 66
    Trinomial Triangle edsrzf 💎 90
    Kolakoski Sequence jkelly467 70
    Calendar pardouin 241
    ASCII Table AnAwesomGuy 155
    Tower of Hanoi emgordon154 78
    Tower of Hanoi JayXon 🥇 66
    Tower of Hanoi sean-niemann 🥇 66
    Reverse Polish Notation RobertHoeh 225
    Transpose Sentence jkelly467 90
    12 Days of Christmas AnAwesomGuy 480
    γ JOrE20 1,004
    Fizz Buzz mwarvik 94
    Christmas Trees dokutan 100
    Niven Numbers jkelly467 52
    Niven Numbers (Long) jkelly467 🥇 54
    Pernicious Numbers (Long) dokutan 72
    Evil Numbers (Long) dokutan 53
    Evil Numbers dokutan 51
    Odious Numbers dokutan 51
    Odious Numbers (Long) dokutan 52
    CSS Colors dokutan 2,601
    Arrows snoozingnewt 118
    Day of Week snoozingnewt 🥇 60
    λ JOrE20 1,004
    Prime Numbers (Long) snoozingnewt 🥇 50
    Prime Numbers snoozingnewt 🥇 48
    Card Number Validation ScottHamper 90
    ROT13 jkelly467 98
    Niven Numbers (Long) snoozingnewt 🥇 54
    Ascending Primes lboust 180
    Fizz Buzz lboust 84
    λ edsrzf 💎 191
    Arithmetic Numbers jkelly467 🥈 68
    Niven Numbers snoozingnewt 🥇 44
    Partition Numbers jkelly467 121
    Tower of Hanoi msbranicky 93
    Tongue-twisters prestosilver 537
    Abundant Numbers lboust 72
    99 Bottles of Beer lboust 319
    Arithmetic Numbers lboust 89
    Emirp Numbers lboust 127
    Tower of Hanoi aksyristos 194
    Divisors lboust 63
    Tower of Hanoi BREMAUCY 97
    Fibonacci snoozingnewt 49
    Quine snoozingnewt 70
    Fizz Buzz RockOfStone 75
    Tower of Hanoi blaztoma 70
    Tower of Hanoi jkelly467 68
    Pangram Grep jkelly467 63
    Reverse Polish Notation jkelly467 🥉 163
    Tower of Hanoi snoozingnewt 69
    Tower of Hanoi AlephSquirrel 85
    ROT13 aditsu 109
    Fibonacci ScottHamper 51
    Odious Numbers aditsu 48
    Van Eck Sequence KatieLG 1,671
    Vampire Numbers KatieLG 1,034
    Trinomial Triangle KatieLG 1,827
    Tongue-twisters KatieLG 493
    Smith Numbers KatieLG 1,637
    Sierpiński Triangle KatieLG 221
    Rule 110 KatieLG 2,036
    Roman to Arabic KatieLG 42,051