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
Catalan Numbers CaedenHarper 2,977
Tongue-twisters CaedenHarper 545
Foo Fizz Buzz Bar CaedenHarper 6,724
Fizz Buzz JunkIce 111
λ JunkIce 1,011
Ascending Primes CaedenHarper 617
Gijswijt’s Sequence CaedenHarper 3,005
Emirp Numbers (Long) CaedenHarper 1,401
Sierpiński Triangle CaedenHarper 575
Diamonds CaedenHarper 1,197
Leyland Numbers CaedenHarper 998
Niven Numbers (Long) CaedenHarper 8,981
Pascal’s Triangle CaedenHarper 794
Evil Numbers (Long) CaedenHarper 2,456
Pernicious Numbers (Long) CaedenHarper 24,919
Recamán CaedenHarper 1,152
Collatz CaedenHarper 4,231
Van Eck Sequence CaedenHarper 3,560
Odious Numbers (Long) CaedenHarper 2,450
Leap Years CaedenHarper 881
Divisors CaedenHarper 1,271
Abundant Numbers (Long) CaedenHarper 1,215
Niven Numbers CaedenHarper 129
Fibonacci CaedenHarper 170
Inventory Sequence CaedenHarper 3,628
Prime Numbers CaedenHarper 101
Evil Numbers CaedenHarper 100
Odious Numbers CaedenHarper 104
Lucky Numbers CaedenHarper 5,825
Pernicious Numbers CaedenHarper 140
Smith Numbers CaedenHarper 2,205
Arithmetic Numbers CaedenHarper 45,335
Happy Numbers CaedenHarper 144
12 Days of Christmas CaedenHarper 2,487
Emirp Numbers CaedenHarper 177
Happy Numbers (Long) CaedenHarper 700
Prime Numbers (Long) CaedenHarper 7,182
Christmas Trees CaedenHarper 605
Kolakoski Sequence CaedenHarper 2,006
Vampire Numbers CaedenHarper 1,231
Look and Say CaedenHarper 1,304
Abundant Numbers CaedenHarper 214
Kaprekar Numbers CaedenHarper 513
Farey Sequence CaedenHarper 5,134
ASCII Table CaedenHarper 297
Number Spiral CaedenHarper 315
99 Bottles of Beer CaedenHarper 12,189
Cubes CaedenHarper 4,217
Rule 110 CaedenHarper 15,957
N Queens CaedenHarper 1,399
24 Game CaedenHarper 13,799
Polyominoes CaedenHarper 4,835
Rijndael S-box CaedenHarper 789
𝑒 CaedenHarper 1,009
√2 CaedenHarper 1,009
φ CaedenHarper 1,009
τ CaedenHarper 1,009
π CaedenHarper 1,009
λ CaedenHarper 1,009
γ CaedenHarper 1,009
ln 2 CaedenHarper 1,009
Kolakoski Constant CaedenHarper 1,009
Factorial Factorisation CaedenHarper 868
Catalan’s Constant CaedenHarper 1,009
Number Spiral msbranicky 271
Cubes msbranicky 305
12 Days of Christmas msbranicky 497
ASCII Table sean-niemann 🥇 105
Seven Segment sean-niemann 🥉 131
𝑒 madeforlosers 1,009
Tutorial duckyluuk 76
ROT13 rucin93 💎 103
Mandelbrot Shanethegamer 10,050
ROT13 sean-niemann 🥈 107
Odd Polyomino Tiling Shanethegamer 21,643