The numbers \(2124\), \(1984\), \(1742\), \(2344\), \(2074\), and \(1632\) are each written on a card. Daniyal takes four of the cards and calculates the mean (average) of their numbers to be \(2021\). Determine the mean of the numbers on the remaining two cards.
Extra Problem: Can you interpret the following picture puzzle?