received 0 : client 10:
received 0 : client 10: line 1
received 0 : client 10: line 2
received 0 : client 10: line 4
received 0 : client 10: line 5
received 0 : server: client 10 just arrived
received 0 : server: client 10 just left
received 0 : client 10:
received 0 : client 10: line 1
received 0 : client 10: line 2
received 0 : client 10: line 4
received 0 : client 10: line 5
received 0 : client 9:
received 0 : client 9: line 1
received 0 : client 9: line 2
received 0 : client 9: line 4
received 0 : client 9: line 5
received 0 : server: client 10 just arrived
received 0 : server: client 10 just left
received 0 : server: client 9 just arrived
received 0 : server: client 9 just left