package leetcode;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class SetTest {
public static void main(String[] args) {
Set> set = new HashSet<>();
Set
> set2 = new HashSet<>();
set.add(List.of(1, 2, 3));
set.add(List.of(2, 1, 3));
set2.add(List.of(2, 1, 3));
for (List