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
Tic-tac-toe m-tkach 92
Trinomial Triangle HumanoidCPU 2,079
Tic-tac-toe DialFrost 105
Tic-tac-toe bizy-coder 93
Roman to Arabic CaedenHarper 92
Tic-tac-toe emgordon154 105
Card Number Validation snoozingnewt 137
Pangram Grep sean-niemann 63
γ Shanethegamer 666
Tic-tac-toe MeWhenI 110
brainfuck CaedenHarper 184
Pangram Grep GolfingSuccess 🥇 62
Emojify sean-niemann 🥇 104
Forsyth–Edwards Notation sean-niemann 123
Kolakoski Sequence sean-niemann 🥉 55
Tic-tac-toe ovs-code 88
Tic-tac-toe HumanoidCPU 296
Diamonds sean-niemann 69
Apéry’s Constant Shanethegamer 667
Divisors sean-niemann 🥇 49
Tic-tac-toe AlephSquirrel 102
Tic-tac-toe CaedenHarper 119
Tic-tac-toe pardouin 91
Arabic to Roman GolfingSuccess 126
Odious Numbers sean-niemann 🥇 38
Odious Numbers (Long) sean-niemann 🥇 39
Collatz sean-niemann 🥇 55
Evil Numbers sean-niemann 🥇 38
Lucky Numbers m-tkach 💎 53
Catalan’s Constant JunkIce 1,011
ROT13 GolfingSuccess 🥉 62
Rule 110 JunkIce 144
Forsyth–Edwards Notation JunkIce 186
24 Game JunkIce 12,444
Number Spiral JunkIce 224
Tutorial emgordon154 54
Tutorial CLOStrophobic 54
Diamonds HumanoidCPU 190
Hexdump ovs-code 128
Niven Numbers (Long) sean-niemann 🥇 49
Catalan’s Constant CaedenHarper 250
Levenshtein Distance Shanethegamer 140
Collatz GolfingSuccess 59
Proximity Grid CaedenHarper 433
ROT13 CaedenHarper 66
CSS Colors CaedenHarper 83
Sierpiński Triangle CaedenHarper 75
Factorial Factorisation CaedenHarper 122
DFA Simulator CaedenHarper 273
Game of Life CaedenHarper 149
United States sean-niemann 120
Morse Encoder CaedenHarper 353
Billiards CaedenHarper 180
Lucky Tickets CaedenHarper 201
Vampire Numbers CaedenHarper 123
QR Decoder CaedenHarper 228
Arabic to Roman CaedenHarper 169
Fizz Buzz CaedenHarper 🥇 57
Spelling Numbers CaedenHarper 🥇 73
Ordinal Numbers CaedenHarper 🥇 65
Levenshtein Distance JunkIce 245
24 Game CaedenHarper 306
Gijswijt’s Sequence JunkIce 1,393
γ JunkIce 1,011
Rijndael S-box JunkIce 780
Kolakoski Constant JunkIce 1,011
Sudoku JunkIce 801
Proximity Grid JunkIce 441
Polyominoes JunkIce 472
Diamonds JunkIce 125
Arithmetic Numbers sean-niemann 🥉 71
Polyominoes CaedenHarper 300
Poker CaedenHarper 469
Time Distance CaedenHarper 331
ISBN CaedenHarper 102