A 13 Messages 10 13 10 9 10 C N 9 11 19 7 D O 13 7 E P 15 16 8 8 F 17 Protocol 13 9 13 13 14 G 13 13 14 5 13 H R 13 6 7 7 I 8 16 S 16 7 13 Security 5 16 16 13 L 9 10 14 T M
A 13 9 C 9 19 D 13 E 15 F 9 G 5 H 13 I 16 16 7 13 5 L 14 M 13 Messages 10 10 10 N 11 7 O 7 P 16 8 8 17 Protocol 13 13 13 14 13 13 14 13 R 6 7 7 8 S Security 16 16 13 9 10 T