Answer the questions given below reffering the following arrangement

J * R 3 P L 2 # 1 N 7 O C @ K 5 D = M $ 6 B < A Q 4

What will come in the place of the questions marks (? ? ?) in the following series based on the arrangement?

P R J, # L 3, 7 1 2, @ O N, ? ? ?