4 ./remote_start_swift_session 141.85.224.201 141.85.224.204 &
6 ./remote_start_utp_session 141.85.224.205 141.85.224.206 &
8 ./remote_start_swift_session 141.85.224.207 141.85.224.208 &
10 ./remote_start_utp_session 141.85.224.209 141.85.224.210 &
13 wait $r1_pid $r2_pid $r3_pid $r4_pid