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
Trinomial Triangle HumanoidCPU 2,068
SI Units bitsandbeyond 💎 423
Levenshtein Distance bitsandbeyond 💎 132
Tic-tac-toe DialFrost 70
United States MeWhenI 99
Tic-tac-toe MeWhenI 78
Tic-tac-toe Msleizak 554
Prime Numbers (Long) CaedenHarper 124
Prime Numbers CaedenHarper 43
Smith Numbers bitsandbeyond 💎 104
Gray Code Decoder bitsandbeyond 48
Gray Code Encoder bitsandbeyond 30
Spelling Numbers bitsandbeyond 💎 286
Set bitsandbeyond 120
Fibonacci desecaw13 51
Catalan Numbers CaedenHarper 2,873
λ JunkIce 1,015
Ordinal Numbers DialFrost 58
Kaprekar Numbers bitsandbeyond 🥈 168
Tutorial CLOStrophobic 26
Rijndael S-box Msleizak 769
Medal Tally Msleizak 392
Rijndael S-box CaedenHarper 769
𝑒 CaedenHarper 1,004
√2 CaedenHarper 1,004
φ CaedenHarper 1,004
τ CaedenHarper 1,004
π CaedenHarper 1,004
λ CaedenHarper 1,004
γ CaedenHarper 1,004
ln 2 CaedenHarper 1,004
Kolakoski Constant CaedenHarper 1,004
Factorial Factorisation CaedenHarper 863
Catalan’s Constant CaedenHarper 1,004
Cubes MaxCastella 225
Transpose Sentence Feniske 🥉 59
Prime Numbers sean-niemann 31
Niven Numbers (Long) sean-niemann 40
ROT13 Msleizak 231
N Queens Msleizak 1,245
Transpose Sentence Msleizak 186
Vampire Numbers bitsandbeyond 💎 130
Arithmetic Numbers bitsandbeyond 💎 78
ISBN bitsandbeyond 💎 59
99 Bottles of Beer DialFrost 210
Card Number Validation Msleizak 308
Arrows Msleizak 381
Day of Week BSharp2217 32
Hexdump bitsandbeyond 💎 110
𝑒 madeforlosers 1,004
ROT13 Feniske 75
Hexagonal Spiral Shanethegamer 1,136
CSS Colors BSharp2217 156
Leap Years BSharp2217 48
12 Days of Christmas SirKlaus 425
Fizz Buzz SirKlaus 45
Semiprime Numbers HumanoidCPU 12,788
Sphenic Numbers HumanoidCPU 8,859
Fizz Buzz troutser 248
Fibonacci BSharp2217 57
Scrambled Alphabetization bitsandbeyond 69
Star Wars GPT bitsandbeyond 127
Mandelbrot Shanethegamer 10,005
Highly Composite Numbers HumanoidCPU 391
Card Number Validation grey0ut 105
Jacobi Symbol bitsandbeyond 🥉 113
Odd Polyomino Tiling Shanethegamer 21,432
Time Distance bitsandbeyond 💎 202
Partition Numbers bitsandbeyond 50
ROT13 grey0ut 79
Tutorial bitsandbeyond 26
ROT13 SirBogman 💎 61
ROT13 bitsandbeyond 🥈 62
Kaprekar Numbers nullshallot 439
Leap Years nullshallot 36