Case 70	Case 155	Case 160
$\frac{d{u}_1}{dt}=F_1[-u_1-u_3]$	$\frac{d{u}_1}{dt}=F_1[-u_1]$	$\frac{d{u}_1}{dt}=F_1[-u_1]$
$\frac{d{u}_2}{dt}=F_2[u_1-u_2+u_3]$	$\frac{d{u}_2}{dt}=F_2[u_1-u_2]$	$\frac{d{u}_2}{dt}=F_2[u_1+u_3-u_4]$
$\frac{d{u}_3}{dt}=F_3[u_2-u_3]$	$\frac{d{u}_3}{dt}=F_3[u_2-u_3]$	$\frac{d{u}_3}{dt}=F_3[u_2-u_3]$
$\frac{d{u}_4}{dt}=F_4[u_1-u_4]$	$\frac{d{u}_4}{dt}=F_4[u_1-u_4]$	$\frac{d{u}_4}{dt}=F_4[u_1-u_4]$
$\frac{d{u}_5}{dt}=F_5[u_4-u_5]$	$\frac{d{u}_5}{dt}=F_5[u_4-u_5]$	$\frac{d{u}_5}{dt}=F_5[u_4-u_5]$