checkListPointers(l, []*(_Element[int]){e1, e2})
	e := l.Front()
	l.Remove(e)
	checkListPointers(l, []*(_Element[int]){e2})
	l.Remove(e)
	checkListPointers(l, []*(_Element[int]){e2})
}

func TestIssue4103() {
	l1 := _New[int]()
	l1.PushBack(1)
	l1.PushBack(2)

	l2 := _New[int]()
	l2.PushBack(3)
	l2.PushBack(4)

	e := l1.Front()