--------------------------------
time:0.03, 1 
time:0.52, 2 
time:1.02, 3 
time:1.52, 4 
time:2.01, 1 
time:2.51, 2 
time:3.01, 3 
time:3.52, 4 
time:4.01, 1 
time:4.51, 2 
time:5.01, 3 
time:5.52, 4 
time:6.01, 1 
time:6.51, 2 
time:7.01, 3 
time:7.51, 4 
time:8, 1