The Tic-tac-toe hole will go live in approximately 3 days. Why not try and solve it ahead of time?

Rankings: Languages

Python in bytes.

Bytes Chars

#	Hole	Medal
1^st	24 Game	🥉
2^nd	Apéry’s Constant	🥈
3^rd	Apéry’s Constant	🥉
4^th	Arithmetic Numbers	🥉
5^th	Arrows	🥉
6^th	ASCII Table	🥉
7^th	brainfuck	🥈
8^th	Calendar	🥈
9^th	Card Number Validation	🥉
10^th	CSS Grid	🥇
11^th	CSS Grid	🥉
12^th	Cubes	🥈
13^th	Cubes	🥉
14^th	Ellipse Perimeters	🥉
15^th	Emojify	🥉
16^th	Flags	🥈
17^th	Floyd-Steinberg Dithering	🥇
18^th	Hexagonal Spiral	🥉
19^th	Highly Composite Numbers	🥇
20^th	Mahjong	🥉
21^st	Mandelbrot	🥇
22^nd	Morse Encoder	🥉
23^rd	N Queens	🥉
24^th	Odd Polyomino Tiling	🥇
25^th	p-adic Expansion	🥈
26^th	p-adic Expansion	🥉
27^th	Rijndael S-box	🥉
28^th	Semiprime Numbers	🥉
29^th	Seven Segment	🥉
30^th	Sphenic Numbers	🥈
31^st	Sphenic Numbers	🥉
32^nd	Sudoku	🥈
33^rd	Sudoku	🥉
34^th	Sudoku (Fill-in)	🥉
35^th	Tongue-twisters	🥈
36^th	Turtle	🥇