[FIDOCAD]
FJC B 0.5
LI 25 80 25 20 0
FCJ 2 0 3 2 0 1
TY 25 15 4 3 0 0 0 * i(t)
TY 30 75 4 3 0 0 0 * 
LI 20 60 125 60 0
FCJ 2 0 3 2 0 1
TY 125 60 4 3 0 0 0 * t
TY 25 70 4 3 0 0 0 * 
TY 45 30 4 3 0 0 0 * i(t)=
TY 65 30 4 3 0 0 1 * Ae
BE 25 70 29 58 30 60 115 60 1
FCJ 0 0 3 2 0 1
TY 20 70 4 3 0 0 1 * A
TY 35 90 4 3 0 0 1 * 
TY 70 25 4 3 0 0 1 * -at
TY 90 25 4 3 0 0 2 * -bt
BE 25 30 35 55 60 60 110 60 2
FCJ 0 0 3 2 0 1
TY 20 25 4 3 0 0 2 * B
TY 30 30 4 3 0 0 2 * 
TY 80 30 4 3 0 0 2 * +Be
LI 25 31 42 60 4
FCJ 0 0 3 2 1 0
LI 25 69 28 60 4
FCJ 0 0 3 2 1 0