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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
    Day of Week KatieLG 99
    Look and Say albanian-laundromat 97
    Mahjong bricknellj 264
    Mahjong TheZwierzLF 578
    Christmas Trees Matter1024 88
    Inventory Sequence Bmrl7 65
    24 Game Bmrl7 293
    Levenshtein Distance Bmrl7 175
    Partition Numbers Bmrl7 136
    Lucky Numbers JOrE20 104
    PalindromemordnilaP JOrE20 91
    12 Days of Christmas Trildcookie 483
    Abundant Numbers (Long) Trildcookie 68
    Sierpiński Triangle CornerMercury 74
    Spelling Numbers CornerMercury 345
    Polyominoes CornerMercury 262
    Happy Numbers CommandLeo 78
    Emirp Numbers (Long) CommandLeo 94
    Emirp Numbers CommandLeo 79
    Quine te-chnical 32
    ASCII Table CommandLeo 118
    Ascending Primes CommandLeo 86
    Tower of Hanoi te-chnical 74
    Morse Decoder kg583 156
    12 Days of Christmas te-chnical 571
    Calendar emgordon154 99
    Reversi madex 253
    Calendar madex 105
    Number Spiral Bmrl7 242
    Factorial Factorisation Bmrl7 141
    Seven Segment Bmrl7 139
    99 Bottles of Beer CornerMercury 227
    Arabic to Roman CommandLeo 151
    Diamonds CornerMercury 83
    Musical Chords blaztoma 150
    Morse Encoder CornerMercury 183
    Prime Numbers Matter1024 52
    Morse Encoder blaztoma 165
    Abundant Numbers Trildcookie 67
    Recamán CommandLeo 71
    Reversi YAJUE114514 521
    Christmas Trees CornerMercury 77
    brainfuck Bmrl7 212
    Smith Numbers Bmrl7 141
    Time Distance CornerMercury 248
    Polyominoes YAJUE114514 237
    Prime Numbers AdrienHache 🥇 40
    Vampire Numbers CornerMercury 120
    Morse Decoder FortuiteMan 156
    Tower of Hanoi DrPrettyman 107
    99 Bottles of Beer DrPrettyman 262
    Factorial Factorisation CornerMercury 118
    Partition Numbers codewrite 90
    QR Decoder TheZwierzLF 325
    Calendar Languag3 106
    Smith Numbers HumanoidCPU 173
    Mahjong snoozingnewt 316
    Vampire Numbers snoozingnewt 132
    Calendar snoozingnewt 101
    Sierpiński Triangle snoozingnewt 81
    Tic-tac-toe snoozingnewt 119
    Calendar KasperKivimaeki 101
    Billiards snoozingnewt 204
    Cubes snoozingnewt 212
    Calendar HPWiz 101
    Quine martinorav 56
    Calendar Florian-Mt 129
    Calendar KatieLG 101
    Billiards blaztoma 163
    Time Distance Bmrl7 293
    Reverse Polish Notation Bmrl7 136
    Roman to Arabic Lv0Sys 121
    Medal Tally Bmrl7 146
    Day of Week Bmrl7 🥇 85
    Arabic to Roman Lv0Sys 146
    Pascal’s Triangle Lv0Sys 57
    Pernicious Numbers JOrE20 49
    Abundant Numbers JOrE20 66
    Abundant Numbers (Long) JOrE20 67
    Kolakoski Constant TheZwierzLF 152