*time        dout1 dout2 dout3 dout4
0.0000e-3     1s    1s    0s    1s 
1.0000e-3     0s    1s    1s    0s 
5.0000e-3     0s    0s    1s    0s 
7.0000e-3     1s    0s    1s    1s 
8.0000e-3     1s    1s    1s    0s 
9.0000e-3     0s    1s    1s    1s