B. Solitaire

Petru acceseaza jocul Solitaire. Observa insa 3 elemente stranii in cele 3 carti afisate. Care sunt acestea?

Sursa: problema originală (Ruxandra F. Olimid)

B. Solitaire

Petru starts to play Solitaire. He notices 3 strange things regarding the 3 cards that are facing up.  What is wrong?

Source: original problem (Ruxandra F. Olimid)