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 2,080
Tic-tac-toe MeWhenI 95
Tic-tac-toe rucin93 83
Rule 110 HumanoidCPU 15,865
Catalan Numbers CaedenHarper 2,885
ASCII Table CaedenHarper 287
Pernicious Numbers (Long) CaedenHarper 20,675
Tongue-twisters CaedenHarper 536
Ascending Primes CaedenHarper 525
Gijswijt’s Sequence CaedenHarper 2,013
Emirp Numbers (Long) CaedenHarper 1,169
Sierpiński Triangle CaedenHarper 567
Diamonds CaedenHarper 1,116
Leyland Numbers CaedenHarper 899
Niven Numbers (Long) CaedenHarper 7,451
Pascal’s Triangle CaedenHarper 782
Evil Numbers (Long) CaedenHarper 1,963
Recamán CaedenHarper 910
Collatz CaedenHarper 3,239
Van Eck Sequence CaedenHarper 2,568
Odious Numbers (Long) CaedenHarper 1,958
Leap Years CaedenHarper 743
Divisors CaedenHarper 1,179
Abundant Numbers (Long) CaedenHarper 977
Niven Numbers CaedenHarper 104
Foo Fizz Buzz Bar CaedenHarper 5,732
Inventory Sequence CaedenHarper 2,636
Prime Numbers CaedenHarper 84
Evil Numbers CaedenHarper 83
Odious Numbers CaedenHarper 86
Lucky Numbers CaedenHarper 4,833
Pernicious Numbers CaedenHarper 113
Smith Numbers CaedenHarper 1,837
Arithmetic Numbers CaedenHarper 37,655
Happy Numbers CaedenHarper 120
12 Days of Christmas CaedenHarper 2,382
Emirp Numbers CaedenHarper 149
Happy Numbers (Long) CaedenHarper 565
Prime Numbers (Long) CaedenHarper 5,961
Christmas Trees CaedenHarper 558
Kolakoski Sequence CaedenHarper 2,013
Vampire Numbers CaedenHarper 1,084
Look and Say CaedenHarper 1,292
Abundant Numbers CaedenHarper 176
Kaprekar Numbers CaedenHarper 453
Farey Sequence CaedenHarper 4,367
Number Spiral CaedenHarper 313
99 Bottles of Beer CaedenHarper 11,898
Cubes CaedenHarper 4,114
Rule 110 CaedenHarper 15,865
N Queens CaedenHarper 1,259
24 Game CaedenHarper 12,445
Polyominoes CaedenHarper 3,577
Morse Decoder rucin93 144
Fibonacci CaedenHarper 38
PalindromemordnilaP sean-niemann 80
Lucky Numbers sean-niemann 76
Jacobi Symbol sean-niemann 127
Emojify sean-niemann 🥈 135
Morse Decoder sean-niemann 🥈 135
Divisors rucin93 🥇 46
Arrows rucin93 110
Rijndael S-box CaedenHarper 781
𝑒 CaedenHarper 1,016
√2 CaedenHarper 1,016
φ CaedenHarper 1,016
τ CaedenHarper 1,016
π CaedenHarper 1,016
λ CaedenHarper 1,016
γ CaedenHarper 1,016
ln 2 CaedenHarper 1,016
Kolakoski Constant CaedenHarper 1,016
Factorial Factorisation CaedenHarper 875
Catalan’s Constant CaedenHarper 1,016
Zodiac Signs sean-niemann 🥈 146