North America Championship 2021

	#	제목
A	22922	AND Permutation
B	22923	Apple Orchard
C	22924	Cleaning Robot
D	22925	Contest Construction
E	22926	Ketek Counting
F	22927	Mountainous Palindromic Subarray
G	22928	Permutation CFG
H	22929	Special Cycle
I	22930	The King's Guards
J	22931	The Paladin
K	22932	Token Game
L	22933	TraveLog
M	22934	You be The Judge, Again