Nrop Dlihcrar 2021 New «Mobile RELIABLE»

I (9) +3= L

R (18)+3= U

D-4=Z

R-3=O

A (1)+3= D

C-3=Z

H-3=E

Alternatively, maybe "DLIHCRAR" is a cipher where each letter is shifted by the number corresponding to its position, but that seems complex. Alternatively, using a Caesar cipher where each letter is shifted by a certain number. Let me try shifting each letter by 3 positions forward in the alphabet: