Article : Des cadenas et des lettres - Lycée d’Altitude (Briancon) Colegiul National Emil Racovita (Cluj - Roumanie)

Once we obtained the answer to the problem-proper, we decided to extend the research and determine the letters which should be written on the dials considering how many dials and how many letters per dial we take into account. It is important to specify that this approach to the problem is a practical one.