North America Championship 2023

	#	제목
A	28144	Allergen Testing
B	28145	A Tree and Two Edges
C	28146	Broken Minimum Spanning Tree
D	28147	Fail Fast
E	28148	First Last
F	28149	Four Square
G	28150	Frequent Flier
H	28151	Game Show Elimination
I	28152	Power of Divisors
J	28153	Repetitive String Invention
K	28154	Space Alignment
L	28155	Splitting Pairs
M	28156	Who Watches the Watchmen?