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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
    Foo Fizz Buzz Bar emgordon154 🥉 224
    Kolakoski Constant JayXon 💎 193
    Prime Numbers emgordon154 131
    Seven Segment emgordon154 🥈 220
    Fizz Buzz emgordon154 189
    Tic-tac-toe emgordon154 🥉 257
    Intersection emgordon154 🥉 347
    Mandelbrot emgordon154 💎 219
    DFA Simulator emgordon154 🥈 404
    Kolakoski Constant emgordon154 🥈 201
    Smith Numbers emgordon154 225
    Pangram Grep emgordon154 201
    Ascending Primes emgordon154 🥈 184
    Zeckendorf Representation JayXon 💎 235
    Tower of Hanoi emgordon154 🥈 135
    Abundant Numbers (Long) emgordon154 150
    Abundant Numbers emgordon154 149
    Collatz emgordon154 🥈 159
    Zeckendorf Representation emgordon154 🥈 236
    Niven Numbers emgordon154 124
    Leyland Numbers emgordon154 🥉 247
    Arithmetic Numbers emgordon154 168
    π emgordon154 🥉 177
    τ emgordon154 🥉 177
    Prime Numbers (Long) emgordon154 🥉 138
    Evil Numbers emgordon154 🥉 118
    Pernicious Numbers emgordon154 🥉 115
    Odious Numbers emgordon154 🥉 119
    Evil Numbers (Long) emgordon154 🥇 119
    Odious Numbers (Long) emgordon154 🥇 120
    Number Spiral emgordon154 🥈 213
    Pernicious Numbers (Long) emgordon154 🥈 129
    ln 2 emgordon154 🥇 160
    𝑒 emgordon154 🥈 157
    Catalan Numbers emgordon154 🥇 129
    Divisors emgordon154 🥈 138
    Zodiac Signs emgordon154 🥈 253
    Transpose Sentence emgordon154 🥇 193
    ISBN emgordon154 🥉 181
    Card Number Validation emgordon154 🥈 164
    Maze emgordon154 🥈 219
    Farey Sequence JayXon 🥇 164
    Rijndael S-box emgordon154 💎 177
    Billiards emgordon154 💎 328
    Diamonds emgordon154 223
    Farey Sequence emgordon154 🥇 164
    99 Bottles of Beer emgordon154 494
    Happy Numbers (Long) emgordon154 223
    Niven Numbers (Long) emgordon154 152
    λ emgordon154 376
    φ emgordon154 🥇 145
    √2 emgordon154 🥇 142
    Fractions emgordon154 276
    Jacobi Symbol emgordon154 374
    Tower of Hanoi JayXon 💎 119
    Fibonacci emgordon154 🥉 131
    Pangram Grep kmathis22 367
    ASCII Table emgordon154 238
    Pangram Grep ndren 946
    Tower of Hanoi dokutan 163
    Abundant Numbers dokutan 151
    Prime Numbers (Long) Florian-Mt 150
    Prime Numbers Florian-Mt 149
    Tongue-twisters prestosilver 590
    Topological Sort KatieLG 💎 762
    Pangram Grep Starwort 226
    Tower of Hanoi KatieLG 4,242
    Tower of Hanoi HumanoidCPU 181
    Tower of Hanoi CaedenHarper 157
    Fibonacci FortuiteMan 137
    Topological Sort ndren 🥈 2,498
    Taxicab Numbers HumanoidCPU 4,698
    Partition Numbers emgordon154 195
    Gijswijt’s Sequence emgordon154 🥈 292
    Taxicab Numbers Shanethegamer 4,698
    Fizz Buzz AidanWalter 583
    Pangram Grep AidanWalter 1,048
    Tower of Hanoi MeWhenI 🥉 136
    Pangram Grep scpchicken 365
    Quine scpchicken 76