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 2,072
Pangram Grep GolfingSuccess 🥇 68
Tic-tac-toe MeWhenI 114
Rule 110 HumanoidCPU 15,857
Polyominoes HumanoidCPU 3,569
N Queens HumanoidCPU 1,251
brainfuck GolfingSuccess 💎 189
Fibonacci voytxt 35
Tutorial voytxt 61
N Queens MeWhenI 🥈 329
Kaprekar Numbers BREMAUCY 🥉 442
Catalan Numbers CaedenHarper 🥈 2,877
λ JunkIce 1,010
Emojify BREMAUCY 306
N Queens duckyluuk 💎 204
Leap Years duckyluuk 🥉 52
Tutorial CLOStrophobic 55
Fibonacci jtaxen 117
Fizz Buzz namelessiw 110
Rijndael S-box CaedenHarper 773
𝑒 CaedenHarper 🥉 1,008
√2 CaedenHarper 🥉 1,008
φ CaedenHarper 🥉 1,008
τ CaedenHarper 🥉 1,008
π CaedenHarper 🥉 1,008
λ CaedenHarper 🥉 1,008
γ CaedenHarper 🥉 1,008
ln 2 CaedenHarper 🥉 1,008
Kolakoski Constant CaedenHarper 🥉 1,008
Factorial Factorisation CaedenHarper 867
Catalan’s Constant CaedenHarper 🥉 1,008
Prime Numbers duckyluuk 🥇 51
Ascending Primes BREMAUCY 517
Fibonacci CheeseCake628 39
Arabic to Roman KatieLG 42,056
Arrows KatieLG 🥉 860
Prime Numbers zt14427 220
Fibonacci zt14427 319
DFA Simulator duckyluuk 💎 177
γ ndren 🥉 1,008
Arithmetic Numbers GolfingSuccess 💎 107
Gijswijt’s Sequence GrayJoKing 101
Collatz GrayJoKing 79
√2 olleicua 🥉 1,008
Morse Decoder KatieLG 🥉 1,328
Morse Encoder KatieLG 🥉 1,296
Van Eck Sequence GrayJoKing 💎 55
Polyominoes duckyluuk 💎 206
24 Game MeWhenI 💎 438
24 Game duckyluuk 🥈 443
12 Days of Christmas BREMAUCY 481
Seven Segment duckyluuk 🥈 131
99 Bottles of Beer BREMAUCY 296
ISBN MeWhenI 💎 90
Polyominoes MeWhenI 🥈 239
Niven Numbers retrohun 98
Evil Numbers retrohun 77
Forsyth–Edwards Notation duckyluuk 🥈 151
Catalan’s Constant madeforlosers 🥉 1,008
γ snoozingnewt 🥉 1,008
Fizz Buzz snoozingnewt 133
Emirp Numbers (Long) msbranicky 🥉 410
𝑒 madeforlosers 🥉 1,008
Pernicious Numbers (Long) dokutan 135
Niven Numbers (Long) dokutan 115
Evil Numbers (Long) dokutan 112
Odious Numbers (Long) dokutan 113
Prime Numbers (Long) dokutan 107
Divisors msbranicky 161
Collatz dokutan 105
Factorial Factorisation msbranicky 🥉 300
Foo Fizz Buzz Bar BREMAUCY 156
Fizz Buzz BREMAUCY 121
Leap Years dokutan 113
Abundant Numbers BREMAUCY 154