( X 10) + ( X 1) = 42 €
( X 10) + ( X 1) = 25 €
( X 10) + ( X 1) = 18 €
( X 10) + ( X 1) = 30 €
( X 10) + ( X 1) = 56 €
( X 10) + ( X 1) = 61 €