ping pong

ping
pong
.................. ping
.................. pong
...................................... ping
...................................... pong ... pong ... pong

tong
tsssssssssssssssse

ping
pong
.................. ping
.................. net
.............................. ping
.............................. pong
....................................... ping
....................................... pong ... pong ... pong

tong ..........tung
mau ..........mau ..........mao

tsssssssssssssssse

mao tse tung