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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
    PalindromemordnilaP codewrite 202
    Farey Sequence AdrienHache 85
    Lucky Tickets codewrite 351
    Factorial Factorisation amazingalek 393
    Ordinal Numbers mwarvik 122
    Divisors mwarvik 99
    Day of Week mwarvik 65
    United States amazingalek 283
    Ordinal Numbers amazingalek 119
    Odious Numbers amazingalek 67
    Morse Encoder amazingalek 293
    Evil Numbers amazingalek 65
    Divisors amazingalek 92
    Day of Week amazingalek 🥇 63
    Arrows amazingalek 241
    Pangram Grep amazingalek 98
    Calendar codewrite 330
    Prime Numbers amazingalek 64
    Pernicious Numbers amazingalek 76
    Mandelbrot amazingalek 374
    Rijndael S-box mwarvik 787
    Calendar mwarvik 297
    Calendar aliakseikalosha 331
    Happy Numbers mwarvik 128
    Fractions MeWhenI 137
    Tower of Hanoi KatieLG 338
    Mandelbrot mwarvik 10,023
    Hilbert Curve mwarvik 5,136
    Calendar CaedenHarper 297
    Leap Years Emilioso007 80
    Fibonacci Emilioso007 96
    Fractions michelebastione 158
    Hilbert Curve amazingalek 5,136
    Happy Numbers amazingalek 86
    ASCII Table mwarvik 295
    Prime Numbers (Long) mwarvik 102
    Pascal’s Triangle mwarvik 787
    Lucky Numbers mwarvik 4,838
    Prime Numbers (Long) amazingalek 88
    Pascal’s Triangle amazingalek 787
    Lucky Numbers amazingalek 168
    Tongue-twisters amazingalek 389
    τ JayXon 🥈 110
    Tongue-twisters mwarvik 390
    Emirp Numbers michelebastione 154
    Emirp Numbers (Long) michelebastione 154
    Levenshtein Distance michelebastione 229
    Hexagonal Spiral bitsandbeyond 233
    Seven Segment mwarvik 218
    Leyland Numbers mwarvik 904
    Leyland Numbers amazingalek 904
    Seven Segment amazingalek 198
    Pangram Grep mwarvik 100
    Trinomial Triangle Yax42 141
    ASCII Table michelebastione 194
    N Queens Yax42 179
    Niven Numbers mwarvik 69
    Morse Encoder mwarvik 301
    12 Days of Christmas amazingalek 504
    12 Days of Christmas mwarvik 589
    Divisors fuzzylojik-golf 76
    Collatz mwarvik 3,244
    Collatz amazingalek 87
    Card Number Validation amazingalek 159
    12 Days of Christmas codewrite 558
    Quine edsrzf 🥇 73
    Van Eck Sequence AdrienHache 🥇 79
    Abundant Numbers (Long) michelebastione 93
    Abundant Numbers michelebastione 93
    ROT13 michelebastione 130
    Hexdump michelebastione 226
    Odious Numbers michelebastione 72
    Evil Numbers michelebastione 73
    Evil Numbers (Long) michelebastione 74
    Mahjong Yax42 416
    United States mwarvik 538
    Prime Numbers mwarvik 89
    π mwarvik 1,020
    𝑒 mwarvik 1,020
    λ mwarvik 1,020