1 st cipher : A, C, E, H, I, L, M, O, P, R, T, V and X.
2 nd cipher : B, D, F, N, S and U.
The ° in the name of the cards is part of the solution. This ° doubles the initial value of the proposal immediatly preceding it.
The »bar code » is also involved in the solution of some of the equations. Read on…