The Tic-tac-toe hole will go live in approximately . Why not try and solve it ahead of time?

Recent Solutions

Hole Golfer Bytes Submitted
Tutorial voytxt 101
Catalan Numbers CaedenHarper 2,970
λ JunkIce 1,002
Rijndael S-box CaedenHarper 782
𝑒 CaedenHarper 1,002
√2 CaedenHarper 1,002
φ CaedenHarper 1,002
τ CaedenHarper 1,002
π CaedenHarper 1,002
λ CaedenHarper 1,002
γ CaedenHarper 1,002
ln 2 CaedenHarper 1,002
Kolakoski Constant CaedenHarper 1,002
Factorial Factorisation CaedenHarper 1,526
Catalan’s Constant CaedenHarper 1,002
𝑒 madeforlosers 1,002
Tutorial CaedenHarper 121
𝑒 Fishyfii 1,002
Tutorial HumanoidCPU 150
Tongue-twisters deancureton 584
√2 deancureton 1,002
Kaprekar Numbers jared-hughes 💎 330
99 Bottles of Beer jared-hughes 🥈 246
Billiards jared-hughes 🦄 323
N Queens jared-hughes 💎 266
Lucky Tickets jared-hughes 💎 406
24 Game jared-hughes 💎 484
Transpose Sentence jared-hughes 💎 180
Jacobi Symbol jared-hughes 🦄 548
Factorial Factorisation jared-hughes 💎 207
Transpose Sentence lifthrasiir 🥈 197
Card Number Validation jared-hughes 🥈 203
Quine jared-hughes 142
Foo Fizz Buzz Bar jared-hughes 💎 141
Niven Numbers jared-hughes 🥇 64
Evil Numbers jared-hughes 💎 57
Pernicious Numbers jared-hughes 🥇 68
Odious Numbers jared-hughes 🥇 56
Spelling Numbers lifthrasiir 💎 397
Niven Numbers (Long) lifthrasiir 🥈 167
Leap Years lifthrasiir 105
Abundant Numbers (Long) lifthrasiir 💎 147
Card Number Validation lifthrasiir 💎 197
Arrows lifthrasiir 🥈 344
Day of Week lifthrasiir 💎 264
Fractions lifthrasiir 🥉 223
Emirp Numbers lifthrasiir 🥇 107
Farey Sequence lifthrasiir 💎 143
Zodiac Signs lifthrasiir 💎 276
Kolakoski Constant lifthrasiir 🥈 582
Tongue-twisters lifthrasiir 🥉 364
12 Days of Christmas lifthrasiir 🥈 423
Cubes lifthrasiir 💎 309
Recamán jared-hughes 💎 178
Roman to Arabic lifthrasiir 💎 221
United States lifthrasiir 💎 437
𝑒 lifthrasiir 💎 221
Leyland Numbers lifthrasiir 💎 352
Intersection lifthrasiir 💎 228
Smith Numbers lifthrasiir 🥈 464
Number Spiral lifthrasiir 💎 171
99 Bottles of Beer lifthrasiir 💎 240
Catalan’s Constant lifthrasiir 💎 585
Niven Numbers lifthrasiir 🥇 64
Pernicious Numbers lifthrasiir 🥇 68
Evil Numbers lifthrasiir 🥈 58
λ lifthrasiir 💎 600
γ lifthrasiir 💎 608
Factorial Factorisation lifthrasiir 🥈 306
Farey Sequence jared-hughes 🥈 146
Fibonacci lifthrasiir 🥉 67
Reverse Polish Notation lifthrasiir 🥈 274
Abundant Numbers (Long) jared-hughes 🥈 151
Abundant Numbers jared-hughes 🥈 88
Prime Numbers jared-hughes 🥇 54