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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
    Kaprekar Numbers edsrzf 165
    Hexagonal Spiral bitsandbeyond 360
    Arithmetic Numbers kg583 🥈 133
    Arithmetic Numbers edsrzf 💎 130
    Niven Numbers (Long) edsrzf 93
    Ten-pin Bowling edsrzf 🥉 212
    Topological Sort CLOStrophobic 🥉 189
    Happy Numbers (Long) CLOStrophobic 114
    Tic-tac-toe CLOStrophobic 💎 133
    Pernicious Numbers (Long) edsrzf 🥇 58
    Happy Numbers (Long) edsrzf 114
    λ kmathis22 540
    Minesweeper kg583 💎 152
    Tic-tac-toe kg583 🥈 135
    Niven Numbers edsrzf 🥈 65
    Abundant Numbers edsrzf 🥇 69
    Pangram Grep kmathis22 184
    Calendar AlephSquirrel 253
    Forsyth–Edwards Notation edsrzf 160
    Arabic to Roman blaztoma 🥇 49
    Jacobi Symbol edsrzf 205
    Mandelbrot edsrzf 💎 128
    Kolakoski Constant edsrzf 151
    Tower of Hanoi sean-niemann 🥈 88
    Snake kg583 200
    γ JOrE20 1,016
    QR Decoder edsrzf 💎 172
    QR Decoder MeWhenI 232
    Tower of Hanoi gigaprofisi 3,603
    QR Decoder kg583 🥈 175
    Abundant Numbers DialFrost 84
    Abundant Numbers (Long) DialFrost 85
    Billiards kg583 💎 153
    Lucky Numbers edsrzf 134
    Leap Years edsrzf 🥈 60
    24 Game edsrzf 🥈 287
    Gijswijt’s Sequence edsrzf 🥉 148
    Smith Numbers edsrzf 235
    Arrows edsrzf 221
    Kolakoski Sequence edsrzf 99
    Van Eck Sequence edsrzf 84
    Morse Encoder edsrzf 🥈 175
    Morse Encoder kg583 💎 169
    Ascending Primes edsrzf 🥉 131
    Morse Decoder edsrzf 💎 147
    Time Distance edsrzf 275
    Zeckendorf Representation edsrzf 🥉 124
    Vampire Numbers edsrzf 225
    Zodiac Signs edsrzf 242
    γ edsrzf 183
    Number Spiral edsrzf 153
    Seven Segment edsrzf 🥇 140
    Maze edsrzf 💎 143
    Arrows snoozingnewt 201
    24 Game kg583 💎 199
    Tower of Hanoi retrohun 10,731
    Rijndael S-box edsrzf 235
    Odious Numbers snoozingnewt 54
    Odious Numbers (Long) snoozingnewt 56
    Evil Numbers (Long) snoozingnewt 55
    Evil Numbers snoozingnewt 53
    Catalan Numbers edsrzf 🥇 58
    λ kg583 💎 180
    λ edsrzf 222
    Smooth Numbers GolfingSuccess 126
    Quine CornerMercury 🥇 26
    Spelling Numbers FortuiteMan 🥇 48
    Spelling Numbers CornerMercury 🥇 48
    Tower of Hanoi BREMAUCY 94
    Tower of Hanoi Schmitt-Very-Cool 127
    Abundant Numbers (Long) edsrzf 82
    Quine JOrE20 🥇 26
    Morse Decoder kg583 🥈 155
    Tower of Hanoi CLOStrophobic 95
    Tongue-twisters prestosilver 536
    Tower of Hanoi aksyristos 228
    Rule 110 edsrzf 🥉 123
    Tower of Hanoi JOrE20 229
    Fibonacci snoozingnewt 52
    Prime Numbers edsrzf 64